To camelCase or not to camel_case
Learn to camelcase or not to camel_case with practical examples, diagrams, and best practices. Covers java, coding-style development techniques with visual explanations.
Tag: Java
Tesseract Bounding Box Problems
Learn tesseract bounding box problems with practical examples, diagrams, and best practices. Covers java, tesseract, image-segmentation development techniques with visual explanations.
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Efficient System.arraycopy on multidimensional arrays
Learn efficient system.arraycopy on multidimensional arrays with practical examples, diagrams, and best practices. Covers java, arrays development techniques with visual explanations.
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Difference between using Map and HashMap as declared type
Learn difference between using map and hashmap as declared type with practical examples, diagrams, and best practices. Covers java, dictionary, hashmap development techniques with visual explanations.
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Using system environment variables in log4j xml configuration
Learn using system environment variables in log4j xml configuration with practical examples, diagrams, and best practices. Covers java, xml, configuration development techniques with visual explana...
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Epoch or Unix Time - Long.MAX_VALUE Human Readable Date
Learn epoch or unix time - long.max_value human readable date with practical examples, diagrams, and best practices. Covers java, time, long-integer development techniques with visual explanations.
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Make String.format("%s", arg) display null-valued arguments differently from "null"
Learn make string.format("%s", arg) display null-valued arguments differently from "null" with practical examples, diagrams, and best practices. Covers java, string, null development techniques wit...
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Printing a 2d array in Java like a table
Learn printing a 2d array in java like a table with practical examples, diagrams, and best practices. Covers java, arrays, eclipse development techniques with visual explanations.
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How to get the current date and time
Learn how to get the current date and time with practical examples, diagrams, and best practices. Covers java, datetime development techniques with visual explanations.
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JMeter MVC Login - DXScript, DXMVCEditorsValues
Learn jmeter mvc login - dxscript, dxmvceditorsvalues with practical examples, diagrams, and best practices. Covers java, jmeter development techniques with visual explanations.
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What exactly is an object? Where is the object here?
Learn what exactly is an object? where is the object here? with practical examples, diagrams, and best practices. Covers java, object development techniques with visual explanations.
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Java creating .jar file
Learn java creating .jar file with practical examples, diagrams, and best practices. Covers java, jar development techniques with visual explanations.
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Using convolution kernel to blur a grey-scale image
Learn using convolution kernel to blur a grey-scale image with practical examples, diagrams, and best practices. Covers java, blur, grayscale development techniques with visual explanations.
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Do you need java installed to run jar files?
Learn do you need java installed to run jar files? with practical examples, diagrams, and best practices. Covers java, executable-jar development techniques with visual explanations.
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How do I compare strings in Java?
Learn how do i compare strings in java? with practical examples, diagrams, and best practices. Covers java, string, equality development techniques with visual explanations.
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What is the difference between android and native android(Android NDK)?
Learn what is the difference between android and native android(android ndk)? with practical examples, diagrams, and best practices. Covers java, android development techniques with visual explanat...
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Math.Tan() near -Pi/2 wrong in .NET, right in Java?
Learn math.tan() near -pi/2 wrong in .net, right in java? with practical examples, diagrams, and best practices. Covers java, .net, floating-point-precision development techniques with visual expla...
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Java String to JSON conversion
Learn java string to json conversion with practical examples, diagrams, and best practices. Covers java, json, web-services development techniques with visual explanations.
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Proxy Error 502 : The proxy server received an invalid response from an upstream server
Learn proxy error 502 : the proxy server received an invalid response from an upstream server with practical examples, diagrams, and best practices. Covers java, email, proxy development techniques...
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How to create a process in Java
Learn how to create a process in java with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Check if a String matches specific regular expression
Learn check if a string matches specific regular expression with practical examples, diagrams, and best practices. Covers java, regex, string development techniques with visual explanations.
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How to parse JSON in Java
Learn how to parse json in java with practical examples, diagrams, and best practices. Covers java, json, parsing development techniques with visual explanations.
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What is the difference between local and instance variables in Java?
Learn what is the difference between local and instance variables in java? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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What is JAVA_HOME? How does the JVM find the javac path stored in JAVA_HOME?
Learn what is java_home? how does the jvm find the javac path stored in java_home? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Why does Exception.fillInStackTrace return Throwable?
Learn why does exception.fillinstacktrace return throwable? with practical examples, diagrams, and best practices. Covers java, exception, throwable development techniques with visual explanations.
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Difference Between If and Else If?
Learn difference between if and else if? with practical examples, diagrams, and best practices. Covers java, if-statement development techniques with visual explanations.
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macOS - How to install Java 17
Learn macos - how to install java 17 with practical examples, diagrams, and best practices. Covers java, macos, javafx development techniques with visual explanations.
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Convert int to char in java
Learn convert int to char in java with practical examples, diagrams, and best practices. Covers java, char, int development techniques with visual explanations.
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Initialization of an ArrayList in one line
Learn initialization of an arraylist in one line with practical examples, diagrams, and best practices. Covers java, collections, arraylist development techniques with visual explanations.
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Is java an open source programming language?
Learn is java an open source programming language? with practical examples, diagrams, and best practices. Covers java, open-source development techniques with visual explanations.
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Find words with most occurrence of each letter in the alphabet
Learn find words with most occurrence of each letter in the alphabet with practical examples, diagrams, and best practices. Covers java, arrays, iterator development techniques with visual explanat...
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[Microsoft][ODBC Driver Manager] Invalid string or buffer length exception
Learn [microsoft][odbc driver manager] invalid string or buffer length exception with practical examples, diagrams, and best practices. Covers java, sql, sql-server development techniques with visu...
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How to run eclipse in clean mode? what happens if we do so?
Learn how to run eclipse in clean mode? what happens if we do so? with practical examples, diagrams, and best practices. Covers java, eclipse development techniques with visual explanations.
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OR operator in switch-case?
Learn or operator in switch-case? with practical examples, diagrams, and best practices. Covers java, switch-statement development techniques with visual explanations.
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Tired of Java IDEs, Need simple and basic alternative
Learn tired of java ides, need simple and basic alternative with practical examples, diagrams, and best practices. Covers java, ide development techniques with visual explanations.
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Converting Java objects to JSON with Jackson
Learn converting java objects to json with jackson with practical examples, diagrams, and best practices. Covers java, json, object development techniques with visual explanations.
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Using Jackson ObjectMapper with Jersey
Learn using jackson objectmapper with jersey with practical examples, diagrams, and best practices. Covers java, json, spring development techniques with visual explanations.
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How do I create a file and write to it?
Learn how do i create a file and write to it? with practical examples, diagrams, and best practices. Covers java, file-io development techniques with visual explanations.
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What jre is required for an application written in java 1.7?
Learn what jre is required for an application written in java 1.7? with practical examples, diagrams, and best practices. Covers java, compatibility development techniques with visual explanations.
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What is the purpose of an inner class
Learn what is the purpose of an inner class with practical examples, diagrams, and best practices. Covers java, inner-classes development techniques with visual explanations.
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FATAL EXCEPTION: main java.lang.VerifyError: net.sourceforge.jtds.jdbc.TdsCore
Learn fatal exception: main java.lang.verifyerror: net.sourceforge.jtds.jdbc.tdscore with practical examples, diagrams, and best practices. Covers java, android, sql-server development techniques w...
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Metadata and annotation definition
Learn metadata and annotation definition with practical examples, diagrams, and best practices. Covers java, annotations, metadata development techniques with visual explanations.
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Get "ls -la" information with java
Learn get "ls -la" information with java with practical examples, diagrams, and best practices. Covers java, file, posix development techniques with visual explanations.
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What's the use of "enum" in Java?
Learn what's the use of "enum" in java? with practical examples, diagrams, and best practices. Covers java, enums development techniques with visual explanations.
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what is the difference between a++ and ++a or a-- and --a in java?
Learn what is the difference between a++ and ++a or a-- and --a in java? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Distance between points (x0, y0) and (x1, y1)
Learn distance between points (x0, y0) and (x1, y1) with practical examples, diagrams, and best practices. Covers java, distance, points development techniques with visual explanations.
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How to use 'or' in Java?
Learn how to use 'or' in java? with practical examples, diagrams, and best practices. Covers java, boolean-operations development techniques with visual explanations.
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Java: How to emulate a XInput gamepad/controller?
Learn java: how to emulate a xinput gamepad/controller? with practical examples, diagrams, and best practices. Covers java, emulation, gamepad development techniques with visual explanations.
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Using classes with inheritance in Main class Java
Learn using classes with inheritance in main class java with practical examples, diagrams, and best practices. Covers java, inheritance, shapes development techniques with visual explanations.
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What is the difference between false and Boolean.FALSE?
Learn what is the difference between false and boolean.false? with practical examples, diagrams, and best practices. Covers java, boolean, primitive-types development techniques with visual explana...
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Using Integer in Switch Statement
Learn using integer in switch statement with practical examples, diagrams, and best practices. Covers java, switch-statement development techniques with visual explanations.
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Complexity of Treemap insertion vs HashMap insertion
Learn complexity of treemap insertion vs hashmap insertion with practical examples, diagrams, and best practices. Covers java, algorithm, time-complexity development techniques with visual explanat...
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connecting python socket and java socket
Learn connecting python socket and java socket with practical examples, diagrams, and best practices. Covers java, python, sockets development techniques with visual explanations.
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How to set or change the default Java (JDK) version on macOS?
Learn how to set or change the default java (jdk) version on macos? with practical examples, diagrams, and best practices. Covers java, macos development techniques with visual explanations.
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Importing class/java files in Eclipse
Learn importing class/java files in eclipse with practical examples, diagrams, and best practices. Covers java, eclipse development techniques with visual explanations.
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Java regular expression OR operator
Learn java regular expression or operator with practical examples, diagrams, and best practices. Covers java, regex development techniques with visual explanations.
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Explain recursion in factorial method
Learn explain recursion in factorial method with practical examples, diagrams, and best practices. Covers java, methods, factorial development techniques with visual explanations.
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Coloring incoming messages in Java Chat-implmentation
Learn coloring incoming messages in java chat-implmentation with practical examples, diagrams, and best practices. Covers java, user-interface, colors development techniques with visual explanations.
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Java generics question - Class<T> vs. T?
Learn java generics question - class
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How to brew install java?
Learn how to brew install java? with practical examples, diagrams, and best practices. Covers java, macos, homebrew development techniques with visual explanations.
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Java Pass By Value and Pass By Reference
Learn java pass by value and pass by reference with practical examples, diagrams, and best practices. Covers java, hashmap, pass-by-reference development techniques with visual explanations.
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Java calculator, how to handle negative numbers
Learn java calculator, how to handle negative numbers with practical examples, diagrams, and best practices. Covers java, list, parsing development techniques with visual explanations.
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How can I solve "java.lang.NoClassDefFoundError"?
Learn how can i solve "java.lang.noclassdeffounderror"? with practical examples, diagrams, and best practices. Covers java, exception, package development techniques with visual explanations.
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Can we read the OS environment variables in Java?
Learn can we read the os environment variables in java? with practical examples, diagrams, and best practices. Covers java, environment-variables development techniques with visual explanations.
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What is the purpose of annotations in Java?
Learn what is the purpose of annotations in java? with practical examples, diagrams, and best practices. Covers java, annotations development techniques with visual explanations.
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What is an <init> method in Java? Can it be overridden?
Learn what is an
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IPv6 Multicast example
Learn ipv6 multicast example with practical examples, diagrams, and best practices. Covers java, ipv6, multicast development techniques with visual explanations.
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How does JMS Receive work internally?
Learn how does jms receive work internally? with practical examples, diagrams, and best practices. Covers java, jms, message-queue development techniques with visual explanations.
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What exactly is Spring Framework for?
Learn what exactly is spring framework for? with practical examples, diagrams, and best practices. Covers java, spring, frameworks development techniques with visual explanations.
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Java JRE 64-bit download for Windows?
Learn java jre 64-bit download for windows? with practical examples, diagrams, and best practices. Covers installation, 64-bit, download development techniques with visual explanations.
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Connect 4, check for winner algorithm
Learn connect 4, check for winner algorithm with practical examples, diagrams, and best practices. Covers java, algorithm development techniques with visual explanations.
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Difference between size and length methods?
Learn difference between size and length methods? with practical examples, diagrams, and best practices. Covers java, arrays, arraylist development techniques with visual explanations.
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What does foo mean?
Learn what does foo mean? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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What is the difference between JDBC Driver and Driver class?
Learn what is the difference between jdbc driver and driver class? with practical examples, diagrams, and best practices. Covers java, jdbc development techniques with visual explanations.
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Counting Significant Figures java
Learn counting significant figures java with practical examples, diagrams, and best practices. Covers java, significant-digits development techniques with visual explanations.
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Reading a plain text file in Java
Learn reading a plain text file in java with practical examples, diagrams, and best practices. Covers java, text, file-io development techniques with visual explanations.
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Unscramble Letters in Java - Get all possible combinations of the letters
Learn unscramble letters in java - get all possible combinations of the letters with practical examples, diagrams, and best practices. Covers java, cpu-word, scramble development techniques with vi...
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Reading a resource file from within jar
Learn reading a resource file from within jar with practical examples, diagrams, and best practices. Covers java, file, jar development techniques with visual explanations.
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Is JVM open source code?
Learn is jvm open source code? with practical examples, diagrams, and best practices. Covers java, jvm development techniques with visual explanations.
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the data type "char" in java
Learn the data type "char" in java with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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The difference between && and ||
Learn the difference between && and || with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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What is IllegalStateException?
Learn what is illegalstateexception? with practical examples, diagrams, and best practices. Covers java, illegalstateexception development techniques with visual explanations.
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How to manage REST API versioning with spring?
Learn how to manage rest api versioning with spring? with practical examples, diagrams, and best practices. Covers java, spring, rest development techniques with visual explanations.
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Best coding (layout) practice for the "main() class" file?
Learn best coding (layout) practice for the "main() class" file? with practical examples, diagrams, and best practices. Covers java, program-entry-point, methodology development techniques with vis...
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Is Java 1.6 the same as JDK 6?
Learn is java 1.6 the same as jdk 6? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Does randomUUID give a unique id?
Learn does randomuuid give a unique id? with practical examples, diagrams, and best practices. Covers java, random, uuid development techniques with visual explanations.
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How do I remove repeated elements from ArrayList?
Learn how do i remove repeated elements from arraylist? with practical examples, diagrams, and best practices. Covers java, list, collections development techniques with visual explanations.
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What is the syntax of the enhanced for loop in Java?
Learn what is the syntax of the enhanced for loop in java? with practical examples, diagrams, and best practices. Covers java, foreach development techniques with visual explanations.
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Methods like ord and chr from Python
Learn methods like ord and chr from python with practical examples, diagrams, and best practices. Covers java, python, converters development techniques with visual explanations.
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Video Conferencing API for Java
Learn video conferencing api for java with practical examples, diagrams, and best practices. Covers java, video-conferencing development techniques with visual explanations.
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How to run certain task every day at a particular time using ScheduledExecutorService?
Learn how to run certain task every day at a particular time using scheduledexecutorservice? with practical examples, diagrams, and best practices. Covers java, timertask, background-thread develop...
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Generate a key for AES
Learn generate a key for aes with practical examples, diagrams, and best practices. Covers java, encryption, aes development techniques with visual explanations.
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Does Java have a using statement?
Learn does java have a using statement? with practical examples, diagrams, and best practices. Covers java, hibernate, using-statement development techniques with visual explanations.
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In Java, is a String an array of chars?
Learn in java, is a string an array of chars? with practical examples, diagrams, and best practices. Covers java, string development techniques with visual explanations.
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does spring framework mvc replace struts? or am I confused?
Learn does spring framework mvc replace struts? or am i confused? with practical examples, diagrams, and best practices. Covers java, spring, struts development techniques with visual explanations.
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Create a two dimensional string array anArray[2][2]
Learn create a two dimensional string array anarray[2][2] with practical examples, diagrams, and best practices. Covers java, arrays, loops development techniques with visual explanations.
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How to add new elements to an array?
Learn how to add new elements to an array? with practical examples, diagrams, and best practices. Covers java, arrays, string development techniques with visual explanations.
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Correct way to trim a string in Java
Learn correct way to trim a string in java with practical examples, diagrams, and best practices. Covers java, string, variable-assignment development techniques with visual explanations.
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Solving the 8 queens
Learn solving the 8 queens with practical examples, diagrams, and best practices. Covers java, breadth-first-search development techniques with visual explanations.
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How do I create a static local variable in Java?
Learn how do i create a static local variable in java? with practical examples, diagrams, and best practices. Covers java, scope, static development techniques with visual explanations.
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Is putting external jars in the JAVA_HOME/lib/ext directory a bad thing?
Learn is putting external jars in the java_home/lib/ext directory a bad thing? with practical examples, diagrams, and best practices. Covers java, jar development techniques with visual explanations.
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What exactly is serial communication?
Learn what exactly is serial communication? with practical examples, diagrams, and best practices. Covers java, serial-port, serial-communication development techniques with visual explanations.
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How to delete a folder with files using Java
Learn how to delete a folder with files using java with practical examples, diagrams, and best practices. Covers java, file-io, delete-directory development techniques with visual explanations.
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Object Pool Pattern in Java
Learn object pool pattern in java with practical examples, diagrams, and best practices. Covers java, algorithm, design-patterns development techniques with visual explanations.
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Java: Replace all ' in a string with \'
Learn java: replace all ' in a string with ' with practical examples, diagrams, and best practices. Covers java, regex, string development techniques with visual explanations.
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Compiling a java program into an executable
Learn compiling a java program into an executable with practical examples, diagrams, and best practices. Covers java, executable, compilation development techniques with visual explanations.
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implement-your-own blocking queue in java
Learn implement-your-own blocking queue in java with practical examples, diagrams, and best practices. Covers java, multithreading, synchronization development techniques with visual explanations.
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What does String.substring exactly do in Java?
Learn what does string.substring exactly do in java? with practical examples, diagrams, and best practices. Covers java, string development techniques with visual explanations.
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What does preverification of J2ME application mean?
Learn what does preverification of j2me application mean? with practical examples, diagrams, and best practices. Covers java, java-me development techniques with visual explanations.
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What does & do in Java?
Learn what does & do in java? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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How to catch all exceptions except a specific one?
Learn how to catch all exceptions except a specific one? with practical examples, diagrams, and best practices. Covers java, exception development techniques with visual explanations.
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How to find unnecessary jars in a project
Learn how to find unnecessary jars in a project with practical examples, diagrams, and best practices. Covers java, maven, jar development techniques with visual explanations.
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What does mvn install in maven exactly do
Learn what does mvn install in maven exactly do with practical examples, diagrams, and best practices. Covers java, maven, pom.xml development techniques with visual explanations.
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What does division by 1e9d mean?
Learn what does division by 1e9d mean? with practical examples, diagrams, and best practices. Covers java, time, nanotime development techniques with visual explanations.
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Why is 2,147,483,647 the max int value?
Learn why is 2,147,483,647 the max int value? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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How can I create an array of linked lists in java?
Learn how can i create an array of linked lists in java? with practical examples, diagrams, and best practices. Covers java, graph, linked-list development techniques with visual explanations.
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String method in Java: charAt()
Learn string method in java: charat() with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Java Switch use variable in multiple cases best practice
Learn java switch use variable in multiple cases best practice with practical examples, diagrams, and best practices. Covers java, switch-statement development techniques with visual explanations.
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Java: splash screen in a jar file run with the -cp option?
Learn java: splash screen in a jar file run with the -cp option? with practical examples, diagrams, and best practices. Covers java, command-line, jar development techniques with visual explanations.
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How does the "final" keyword in Java work? (I can still modify an object.)
Learn how does the "final" keyword in java work? (i can still modify an object.) with practical examples, diagrams, and best practices. Covers java, final development techniques with visual explana...
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What causes "Unable to access jarfile" error?
Learn what causes "unable to access jarfile" error? with practical examples, diagrams, and best practices. Covers java, jar, executable-jar development techniques with visual explanations.
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how to determine a balanced or perfectly balanced Binary search tree ( just from the picture )
Learn how to determine a balanced or perfectly balanced binary search tree ( just from the picture ) with practical examples, diagrams, and best practices. Covers java, c, tree development techniqu...
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Appearance of a triangle strip. Surface normals? Or windings?
Learn appearance of a triangle strip. surface normals? or windings? with practical examples, diagrams, and best practices. Covers java, opengl, lwjgl development techniques with visual explanations.
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Java BST searching for max value, most efficiently
Learn java bst searching for max value, most efficiently with practical examples, diagrams, and best practices. Covers java, recursion, binary-search-tree development techniques with visual explana...
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Exception in thread "main" javax.xml.bind.PropertyException: name: eclipselink.media-type value: ...
Learn exception in thread "main" javax.xml.bind.propertyexception: name: eclipselink.media-type value: application/json with practical examples, diagrams, and best practices. Covers java, json, jax...
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Java- if else... if something is something or something?
Learn java- if else... if something is something or something? with practical examples, diagrams, and best practices. Covers java, if-statement, collision development techniques with visual explana...
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Java Ordering a map or list
Learn java ordering a map or list with practical examples, diagrams, and best practices. Covers java, list, sorting development techniques with visual explanations.
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Constructor overloading in Java - best practice
Learn constructor overloading in java - best practice with practical examples, diagrams, and best practices. Covers java, constructor, overloading development techniques with visual explanations.
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What are the -Xms and -Xmx parameters when starting JVM?
Learn what are the -xms and -xmx parameters when starting jvm? with practical examples, diagrams, and best practices. Covers java, memory-management, parameters development techniques with visual e...
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binary search tree impelementation and java
Learn binary search tree impelementation and java with practical examples, diagrams, and best practices. Covers java, algorithm, binary-tree development techniques with visual explanations.
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Best way to extract text (e.g. articles) from web page
Learn best way to extract text (e.g. articles) from web page with practical examples, diagrams, and best practices. Covers java, web, diffbot development techniques with visual explanations.
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Operators(and , or) in JSON Structure
Learn operators(and , or) in json structure with practical examples, diagrams, and best practices. Covers java, json, protocol-buffers development techniques with visual explanations.
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Difference between EST and America/New_York time zones
Learn difference between est and america/new_york time zones with practical examples, diagrams, and best practices. Covers java, calendar, timezone development techniques with visual explanations.
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Converting double to integer in Java
Learn converting double to integer in java with practical examples, diagrams, and best practices. Covers java, casting, double development techniques with visual explanations.
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Java string to date conversion
Learn java string to date conversion with practical examples, diagrams, and best practices. Covers java, string, date development techniques with visual explanations.
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What should I do to use ELement class in java
Learn what should i do to use element class in java with practical examples, diagrams, and best practices. Covers java, xml, dom development techniques with visual explanations.
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Java sound visualizer
Learn java sound visualizer with practical examples, diagrams, and best practices. Covers java, audio, audio-processing development techniques with visual explanations.
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How do I declare and initialize an array in Java?
Learn how do i declare and initialize an array in java? with practical examples, diagrams, and best practices. Covers java, arrays development techniques with visual explanations.
Categories:
Cannot find symbol assertEquals
Learn cannot find symbol assertequals with practical examples, diagrams, and best practices. Covers java, class, testing development techniques with visual explanations.
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Short form for Java if statement
Learn short form for java if statement with practical examples, diagrams, and best practices. Covers java, if-statement, ternary-operator development techniques with visual explanations.
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execute shell command from android
Learn execute shell command from android with practical examples, diagrams, and best practices. Covers java, android, xml development techniques with visual explanations.
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Viewing contents of a .jar file
Learn viewing contents of a .jar file with practical examples, diagrams, and best practices. Covers java, jar, viewer development techniques with visual explanations.
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How To Create Leaf Nodes And Then Build A Tree
Learn how to create leaf nodes and then build a tree with practical examples, diagrams, and best practices. Covers java, tree, priority-queue development techniques with visual explanations.
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How do I split a string in Java?
Learn how do i split a string in java? with practical examples, diagrams, and best practices. Covers java, string, split development techniques with visual explanations.
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How do servlets work?
Learn how do servlets work? with practical examples, diagrams, and best practices. Covers java, servlets development techniques with visual explanations.
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are there any potential issues with obfuscating an application?
Learn are there any potential issues with obfuscating an application? with practical examples, diagrams, and best practices. Covers java, spring, obfuscation development techniques with visual expl...
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Best implementation of Java Queue?
Learn best implementation of java queue? with practical examples, diagrams, and best practices. Covers java, queue development techniques with visual explanations.
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How to check if a String is numeric in Java
Learn how to check if a string is numeric in java with practical examples, diagrams, and best practices. Covers java, string, numeric development techniques with visual explanations.
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What is the difference between an application server and a servlet container?
Learn what is the difference between an application server and a servlet container? with practical examples, diagrams, and best practices. Covers java, jakarta-ee, terminology development technique...
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Convert list to array in Java
Learn convert list to array in java with practical examples, diagrams, and best practices. Covers java, arrays, list development techniques with visual explanations.
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How to compute Euler's totient function φ in Java?
Learn how to compute euler's totient function φ in java? with practical examples, diagrams, and best practices. Covers java, function, math development techniques with visual explanations.
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No Main class found in NetBeans
Learn no main class found in netbeans with practical examples, diagrams, and best practices. Covers java, netbeans, runtime-error development techniques with visual explanations.
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Set Icon on Stage in JavaFX
Learn set icon on stage in javafx with practical examples, diagrams, and best practices. Covers java, javafx, stagewebview development techniques with visual explanations.
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could not extract ResultSet in hibernate
Learn could not extract resultset in hibernate with practical examples, diagrams, and best practices. Covers java, sql, hibernate development techniques with visual explanations.
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What is the proper style for listing imports in Java?
Learn what is the proper style for listing imports in java? with practical examples, diagrams, and best practices. Covers java, coding-style development techniques with visual explanations.
Categories:
How to create this java comparator
Learn how to create this java comparator with practical examples, diagrams, and best practices. Covers java, comparator development techniques with visual explanations.
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What does Maven Update Project do in Eclipse?
Learn what does maven update project do in eclipse? with practical examples, diagrams, and best practices. Covers java, eclipse, maven development techniques with visual explanations.
Categories:
Java Generics- Can I create a list dynamically based on variable type
Learn java generics- can i create a list dynamically based on variable type with practical examples, diagrams, and best practices. Covers java, generics development techniques with visual explanati...
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Drawing a double line using itext PDF
Learn drawing a double line using itext pdf with practical examples, diagrams, and best practices. Covers java, pdf-generation, itext development techniques with visual explanations.
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Eclipse WTP vs sydeo, " serves modules without publishing "
Learn eclipse wtp vs sydeo, " serves modules without publishing " with practical examples, diagrams, and best practices. Covers java, eclipse, tomcat development techniques with visual explanations.
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How do I check if a database is running in read only mode?
Learn how do i check if a database is running in read only mode? with practical examples, diagrams, and best practices. Covers java, oracle-database development techniques with visual explanations.
Categories:
Java 8 Iterable.forEach() vs foreach loop
Learn java 8 iterable.foreach() vs foreach loop with practical examples, diagrams, and best practices. Covers java, for-loop, java-8 development techniques with visual explanations.
Categories:
Blur an image using 3x3 Gaussian kernel?
Learn blur an image using 3x3 gaussian kernel? with practical examples, diagrams, and best practices. Covers java, image, processing development techniques with visual explanations.
Categories:
Setting Creamy color as my back ground
Learn setting creamy color as my back ground with practical examples, diagrams, and best practices. Covers java, user-interface, colors development techniques with visual explanations.
Categories:
Java - Convert integer to string
Learn java - convert integer to string with practical examples, diagrams, and best practices. Covers java, string, numbers development techniques with visual explanations.
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Ternary Operator
Learn ternary operator with practical examples, diagrams, and best practices. Covers java, conditional-operator development techniques with visual explanations.
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Java The import com.google.common.io.Files cannot be resolved
Learn java the import com.google.common.io.files cannot be resolved with practical examples, diagrams, and best practices. Covers java, android, eclipse development techniques with visual explanati...
Categories:
How to convert jsonString to JSONObject in Java
Learn how to convert jsonstring to jsonobject in java with practical examples, diagrams, and best practices. Covers java, arrays, json development techniques with visual explanations.
Categories:
How to run JUnit tests with Gradle?
Learn how to run junit tests with gradle? with practical examples, diagrams, and best practices. Covers java, gradle, junit4 development techniques with visual explanations.
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Change date format in a Java string
Learn change date format in a java string with practical examples, diagrams, and best practices. Covers java, string, date development techniques with visual explanations.
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How to get the user input in Java?
Learn how to get the user input in java? with practical examples, diagrams, and best practices. Covers java, input development techniques with visual explanations.
Categories:
Writing shrugging ASCII emoji ¯\_(ツ)_/¯ in plain text with java
Learn writing shrugging ascii emoji ¯_(ツ)_/¯ in plain text with java with practical examples, diagrams, and best practices. Covers java, encoding, ascii development techniques with visual explanat...
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Selenium Web-Driver Firefox Profile - Disable popup and alert windows
Learn selenium web-driver firefox profile - disable popup and alert windows with practical examples, diagrams, and best practices. Covers java, python, selenium development techniques with visual e...
Categories:
Connection pooling in java using c3p0
Learn connection pooling in java using c3p0 with practical examples, diagrams, and best practices. Covers java, connection-pooling, c3p0 development techniques with visual explanations.
Categories:
What's the difference between String.format() and str.formatted() in Java?
Learn what's the difference between string.format() and str.formatted() in java? with practical examples, diagrams, and best practices. Covers java, format, formatted development techniques with vi...
Categories:
Getting random numbers in Java
Learn getting random numbers in java with practical examples, diagrams, and best practices. Covers java, random development techniques with visual explanations.
Categories:
Modify while loop to execute at-least once
Learn modify while loop to execute at-least once with practical examples, diagrams, and best practices. Covers java, loops development techniques with visual explanations.
Categories:
Fail to read embedded resources
Learn fail to read embedded resources with practical examples, diagrams, and best practices. Covers java, embedded-resource development techniques with visual explanations.
Categories:
What exactly is the definition of a content repository?
Learn what exactly is the definition of a content repository? with practical examples, diagrams, and best practices. Covers java, jakarta-ee, jackrabbit development techniques with visual explanati...
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In the java code example, what is the reference and what is the value?
Learn in the java code example, what is the reference and what is the value? with practical examples, diagrams, and best practices. Covers java, pass-by-reference development techniques with visual...
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Maven 3: Maven in 5 minutes "mvn archetype:generate..." command NOT WORKING
Learn maven 3: maven in 5 minutes "mvn archetype:generate..." command not working with practical examples, diagrams, and best practices. Covers java, maven-3 development techniques with visual expl...
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Why is there no primitive type for String?
Learn why is there no primitive type for string? with practical examples, diagrams, and best practices. Covers java, string, primitive-types development techniques with visual explanations.
Categories:
Adding Music/Sound to Java Programs
Learn adding music/sound to java programs with practical examples, diagrams, and best practices. Covers java, audio, javasound development techniques with visual explanations.
Categories:
Very simple step by step JBehave setup tutorial?
Learn very simple step by step jbehave setup tutorial? with practical examples, diagrams, and best practices. Covers java, eclipse, junit development techniques with visual explanations.
Categories:
Java switch use case
Learn java switch use case with practical examples, diagrams, and best practices. Covers java, switch-statement, multiple-return-values development techniques with visual explanations.
Categories:
How to get the EXIF or meta-data from images?
Learn how to get the exif or meta-data from images? with practical examples, diagrams, and best practices. Covers java, php, python development techniques with visual explanations.
Categories:
Java printAll and print
Learn java printall and print with practical examples, diagrams, and best practices. Covers java, printing development techniques with visual explanations.
Categories:
Drawing a rectangle inside a rectangle
Learn drawing a rectangle inside a rectangle with practical examples, diagrams, and best practices. Covers java, graphics, drawing development techniques with visual explanations.
Categories:
creating a simple rule engine in java
Learn creating a simple rule engine in java with practical examples, diagrams, and best practices. Covers java, rule-engine, business-rules development techniques with visual explanations.
Categories:
How to make a new List in Java
Learn how to make a new list in java with practical examples, diagrams, and best practices. Covers java, list, collections development techniques with visual explanations.
Categories:
Is there a shorter way to write a for loop in Java?
Learn is there a shorter way to write a for loop in java? with practical examples, diagrams, and best practices. Covers java, for-loop, syntax development techniques with visual explanations.
Categories:
Java: Thread.currentThread().sleep(x) vs. Thread.sleep(x)
Learn java: thread.currentthread().sleep(x) vs. thread.sleep(x) with practical examples, diagrams, and best practices. Covers java, eclipse, multithreading development techniques with visual explan...
Categories:
Archetype for EJB + JBoss7 Porj
Learn archetype for ejb + jboss7 porj with practical examples, diagrams, and best practices. Covers java, maven, jboss development techniques with visual explanations.
Categories:
How to decrypt a SHA-256 encrypted string?
Learn how to decrypt a sha-256 encrypted string? with practical examples, diagrams, and best practices. Covers java, hash, cryptography development techniques with visual explanations.
Categories:
What is the difference between "Class.forName()" and "Class.forName().newInstance()"?
Learn what is the difference between "class.forname()" and "class.forname().newinstance()"? with practical examples, diagrams, and best practices. Covers java, class, object development techniques ...
Categories:
How to get flow record details of a netflow packet
Learn how to get flow record details of a netflow packet with practical examples, diagrams, and best practices. Covers java, udp, cisco development techniques with visual explanations.
Categories:
How to efficiently map a org.json.JSONObject to a POJO?
Learn how to efficiently map a org.json.jsonobject to a pojo? with practical examples, diagrams, and best practices. Covers java, json, mapping development techniques with visual explanations.
Categories:
How do I run a Java program from the command line on Windows?
Learn how do i run a java program from the command line on windows? with practical examples, diagrams, and best practices. Covers java, cmd, command-line development techniques with visual explanat...
Categories:
Java EE Application client container
Learn java ee application client container with practical examples, diagrams, and best practices. Covers java, jakarta-ee, webserver development techniques with visual explanations.
Categories:
How to build a Java project with multiple main classes
Learn how to build a java project with multiple main classes with practical examples, diagrams, and best practices. Covers java, class, project development techniques with visual explanations.
Categories:
Julian date to regular date conversion
Learn julian date to regular date conversion with practical examples, diagrams, and best practices. Covers java, date, julian-date development techniques with visual explanations.
Categories:
Test-Driven Development - How to write a test before none of implementation code exists
Learn test-driven development - how to write a test before none of implementation code exists with practical examples, diagrams, and best practices. Covers java, unit-testing, junit development tec...
Categories:
How to save object variables after closing my program?
Learn how to save object variables after closing my program? with practical examples, diagrams, and best practices. Covers java, database, variables development techniques with visual explanations.
Categories:
getNext() Linked List
Learn getnext() linked list with practical examples, diagrams, and best practices. Covers java, list, linked-list development techniques with visual explanations.
Categories:
how to convert `content://media/external/images/media/Y` to `file:///storage/sdcard0/Pictures/X.j...
Learn how to convert content://media/external/images/media/y to file:///storage/sdcard0/pictures/x.jpg in android? with practical examples, diagrams, and best practices. Covers java, android de...
Categories:
Creating a random string with A-Z and 0-9 in Java
Learn creating a random string with a-z and 0-9 in java with practical examples, diagrams, and best practices. Covers java, random development techniques with visual explanations.
Categories:
Sort an array in Java
Learn sort an array in java with practical examples, diagrams, and best practices. Covers java, arrays development techniques with visual explanations.
Categories:
Adjacency Matrix In Java
Learn adjacency matrix in java with practical examples, diagrams, and best practices. Covers java, graph, adjacency-matrix development techniques with visual explanations.
Categories:
What exactly is a CRUD table
Learn what exactly is a crud table with practical examples, diagrams, and best practices. Covers java, database, crud development techniques with visual explanations.
Categories:
what is the use of annotations @Id and @GeneratedValue(strategy = GenerationType.IDENTITY)? Why t...
Learn what is the use of annotations @id and @generatedvalue(strategy = generationtype.identity)? why the generationtype is identity? with practical examples, diagrams, and best practices. Covers j...
Categories:
How can I convert a char to int in Java?
Learn how can i convert a char to int in java? with practical examples, diagrams, and best practices. Covers java, char, type-conversion development techniques with visual explanations.
Categories:
-XX:+UseConcMarkSweepGC (what is default young generation collector?)
Learn -xx:+useconcmarksweepgc (what is default young generation collector?) with practical examples, diagrams, and best practices. Covers java, garbage-collection, concurrent-mark-sweep development...
Categories:
Best API for simple 2D graphics with Java
Learn best api for simple 2d graphics with java with practical examples, diagrams, and best practices. Covers java, graphics, java-2d development techniques with visual explanations.
Categories:
Find the points in the graph where the X coordinates is zero
Learn find the points in the graph where the x coordinates is zero with practical examples, diagrams, and best practices. Covers java, jfreechart development techniques with visual explanations.
Categories:
How does a state transition table work?
Learn how does a state transition table work? with practical examples, diagrams, and best practices. Covers java, state, transition development techniques with visual explanations.
Categories:
what's the difference between spatial and temporal characterization in terms of image processing?
Learn what's the difference between spatial and temporal characterization in terms of image processing? with practical examples, diagrams, and best practices. Covers java, python, image development...
Categories:
(int) Math.sqrt(n) much slower than (int) Math.floor(Math.sqrt(n))
Learn (int) math.sqrt(n) much slower than (int) math.floor(math.sqrt(n)) with practical examples, diagrams, and best practices. Covers java, performance, casting development techniques with visual ...
Categories:
How to import a java package in Android Studio
Learn how to import a java package in android studio with practical examples, diagrams, and best practices. Covers java, android, import development techniques with visual explanations.
Categories:
How do I determine whether an array contains a particular value in Java?
Learn how do i determine whether an array contains a particular value in java? with practical examples, diagrams, and best practices. Covers java, arrays development techniques with visual explanat...
Categories:
How can I use user's certificate?
Learn how can i use user's certificate? with practical examples, diagrams, and best practices. Covers java, httpclient, pem development techniques with visual explanations.
Categories:
Random numbers with Math.random() in Java
Learn random numbers with math.random() in java with practical examples, diagrams, and best practices. Covers java, random development techniques with visual explanations.
Categories:
System.out.println vs PrintWriter
Learn system.out.println vs printwriter with practical examples, diagrams, and best practices. Covers java, io, printwriter development techniques with visual explanations.
Categories:
How can I set the logging level with application.properties?
Learn how can i set the logging level with application.properties? with practical examples, diagrams, and best practices. Covers java, spring, spring-boot development techniques with visual explana...
Categories:
How can I rebuild a source jar from another one?
Learn how can i rebuild a source jar from another one? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
Use of "instanceof" in Java
Learn use of "instanceof" in java with practical examples, diagrams, and best practices. Covers java, operators, instanceof development techniques with visual explanations.
Categories:
Generating unique keys using RandomStringUtils of apache commons
Learn generating unique keys using randomstringutils of apache commons with practical examples, diagrams, and best practices. Covers java, jakarta-ee, apache-commons development techniques with vis...
Categories:
Writing a function inside the main method - Java
Learn writing a function inside the main method - java with practical examples, diagrams, and best practices. Covers java, function, methods development techniques with visual explanations.
Categories:
How do getters and setters work?
Learn how do getters and setters work? with practical examples, diagrams, and best practices. Covers java, setter, getter development techniques with visual explanations.
Categories:
How to view and edit cacerts file?
Learn how to view and edit cacerts file? with practical examples, diagrams, and best practices. Covers java, keystore, websphere-8 development techniques with visual explanations.
Categories:
Why is "throws Exception" necessary when calling a function?
Learn why is "throws exception" necessary when calling a function? with practical examples, diagrams, and best practices. Covers java, exception, unhandled-exception development techniques with vis...
Categories:
Getting imdb movie titles in a specific language
Learn getting imdb movie titles in a specific language with practical examples, diagrams, and best practices. Covers java, web-crawler, regional-settings development techniques with visual explanat...
Categories:
Override Java System.currentTimeMillis for testing time sensitive code
Learn override java system.currenttimemillis for testing time sensitive code with practical examples, diagrams, and best practices. Covers java, testing, jvm development techniques with visual expl...
Categories:
Is there any way to add objects to a JComboBox and assign a String to be shown?
Learn is there any way to add objects to a jcombobox and assign a string to be shown? with practical examples, diagrams, and best practices. Covers java, swing, combobox development techniques with...
Categories:
Difference between Icon and ImageIcon?
Learn difference between icon and imageicon? with practical examples, diagrams, and best practices. Covers java, swing, icons development techniques with visual explanations.
Categories:
Get only part of an Array in Java?
Learn get only part of an array in java? with practical examples, diagrams, and best practices. Covers java, arrays development techniques with visual explanations.
Categories:
What is the purpose of access modifiers?
Learn what is the purpose of access modifiers? with practical examples, diagrams, and best practices. Covers java, access-modifiers development techniques with visual explanations.
Categories:
Integrating Java compiler in my application
Learn integrating java compiler in my application with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
how to print values in console using scriplet in javascript while a function is called
Learn how to print values in console using scriplet in javascript while a function is called with practical examples, diagrams, and best practices. Covers java, javascript, jsp development techniqu...
Categories:
What does 'synchronized' mean?
Learn what does 'synchronized' mean? with practical examples, diagrams, and best practices. Covers java, multithreading, keyword development techniques with visual explanations.
Categories:
Random number with Probabilities
Learn random number with probabilities with practical examples, diagrams, and best practices. Covers java, random, probability development techniques with visual explanations.
Categories:
How do you structure a java program?
Learn how do you structure a java program? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
What does Java option -Xmx stand for?
Learn what does java option -xmx stand for? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
How to implement the Java comparable interface?
Learn how to implement the java comparable interface? with practical examples, diagrams, and best practices. Covers java, comparable development techniques with visual explanations.
Categories:
Using try-catch java
Learn using try-catch java with practical examples, diagrams, and best practices. Covers java, try-catch development techniques with visual explanations.
Categories:
Constructing a Binary tree in Java
Learn constructing a binary tree in java with practical examples, diagrams, and best practices. Covers java, data-structures, binary-tree development techniques with visual explanations.
Categories:
Error occurred during initialization of VM Could not reserve enough space for object heap Could n...
Learn error occurred during initialization of vm could not reserve enough space for object heap could not create the java virtual machine with practical examples, diagrams, and best practices. Cove...
Categories:
Setting a scanner as a global variable
Learn setting a scanner as a global variable with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
Mockito - difference between doReturn() and when()
Learn mockito - difference between doreturn() and when() with practical examples, diagrams, and best practices. Covers java, unit-testing, mockito development techniques with visual explanations.
Categories:
java.nio.file: Where is the Path interface actually implemented?
Learn java.nio.file: where is the path interface actually implemented? with practical examples, diagrams, and best practices. Covers java, java-7, java.nio.file development techniques with visual e...
Categories:
What is the purpose of Mavens dependency declarations classifier property?
Learn what is the purpose of mavens dependency declarations classifier property? with practical examples, diagrams, and best practices. Covers java, maven, dependency-management development techniq...
Categories:
What are *.snap files in eclipse?
Learn what are *.snap files in eclipse? with practical examples, diagrams, and best practices. Covers java, eclipse development techniques with visual explanations.
Categories:
Best free Java .class viewer?
Learn best free java .class viewer? with practical examples, diagrams, and best practices. Covers java, decompiling development techniques with visual explanations.
Categories:
How do I convert a String to an int in Java?
Learn how do i convert a string to an int in java? with practical examples, diagrams, and best practices. Covers java, string, type-conversion development techniques with visual explanations.
Categories:
Lightweight method of decoding base16 (hexadecimals) of mixed case
Learn lightweight method of decoding base16 (hexadecimals) of mixed case with practical examples, diagrams, and best practices. Covers java, guava development techniques with visual explanations.
Categories:
How do I find the last modified file in a directory in Java?
Learn how do i find the last modified file in a directory in java? with practical examples, diagrams, and best practices. Covers java, file-io, last-modified development techniques with visual expl...
Categories:
@deprecated vs @Deprecated
Learn @deprecated vs @deprecated with practical examples, diagrams, and best practices. Covers java, deprecated development techniques with visual explanations.
Categories:
What is the Java ?: operator called and what does it do?
Learn what is the java ?: operator called and what does it do? with practical examples, diagrams, and best practices. Covers java, syntax, ternary-operator development techniques with visual explan...
Categories:
Atomic file write operations (cross platform)
Learn atomic file write operations (cross platform) with practical examples, diagrams, and best practices. Covers java, python, file development techniques with visual explanations.
Categories:
Which authentication layer should be customized in this situation?
Learn which authentication layer should be customized in this situation? with practical examples, diagrams, and best practices. Covers java, spring, jakarta-ee development techniques with visual ex...
Categories:
Make copy of an array
Learn make copy of an array with practical examples, diagrams, and best practices. Covers java, arrays, copy development techniques with visual explanations.
Categories:
Efficiently determine the parity of a permutation
Learn efficiently determine the parity of a permutation with practical examples, diagrams, and best practices. Covers java, algorithm, permutation development techniques with visual explanations.
Categories:
ORA-12516, TNS:listener could not find available handler
Learn ora-12516, tns:listener could not find available handler with practical examples, diagrams, and best practices. Covers java, oracle-database, jdbc development techniques with visual explanati...
Categories:
Aggregation and Composition in Java Code
Learn aggregation and composition in java code with practical examples, diagrams, and best practices. Covers java, relationship, aggregation development techniques with visual explanations.
Categories:
AES Encryption and Decryption with Java
Learn aes encryption and decryption with java with practical examples, diagrams, and best practices. Covers java, encryption, cryptography development techniques with visual explanations.
Categories:
Java and Cobol differences
Learn java and cobol differences with practical examples, diagrams, and best practices. Covers java, cobol development techniques with visual explanations.
Categories:
What is a NullPointerException, and how do I fix it?
Learn what is a nullpointerexception, and how do i fix it? with practical examples, diagrams, and best practices. Covers java, nullpointerexception development techniques with visual explanations.
Categories:
Delete char at position in string
Learn delete char at position in string with practical examples, diagrams, and best practices. Covers java, string development techniques with visual explanations.
Categories:
What is an object graph in the Java garbage collector?
Learn what is an object graph in the java garbage collector? with practical examples, diagrams, and best practices. Covers java, garbage-collection development techniques with visual explanations.
Categories:
what does x % 2 > 0 mean in java?
Learn what does x % 2 > 0 mean in java? with practical examples, diagrams, and best practices. Covers java, loops, break development techniques with visual explanations.
Categories:
Http 415 Unsupported Media type error with JSON
Learn http 415 unsupported media type error with json with practical examples, diagrams, and best practices. Covers java, json, http-status-code-415 development techniques with visual explanations.
Categories:
Math.sin returns unexpected results
Learn math.sin returns unexpected results with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
In JNI, is there a more portable way than jlong to encapsulate a pointer?
Learn in jni, is there a more portable way than jlong to encapsulate a pointer? with practical examples, diagrams, and best practices. Covers java, java-native-interface development techniques with...
Categories:
What's the simplest way to print a Java array?
Learn what's the simplest way to print a java array? with practical examples, diagrams, and best practices. Covers java, arrays, printing development techniques with visual explanations.
Categories:
Should I always use a parallel stream when possible?
Learn should i always use a parallel stream when possible? with practical examples, diagrams, and best practices. Covers java, parallel-processing, java-8 development techniques with visual explana...
Categories:
Python to Java code conversion
Learn python to java code conversion with practical examples, diagrams, and best practices. Covers java, python development techniques with visual explanations.
Categories:
What is meant by immutable?
Learn what is meant by immutable? with practical examples, diagrams, and best practices. Covers java, string, immutability development techniques with visual explanations.
Categories:
Does `continue` jump to the top of a `do while`?
Learn does continue jump to the top of a do while? with practical examples, diagrams, and best practices. Covers java, loops, do-while development techniques with visual explanations.
Categories:
Show Array Value in JavaDocs
Learn show array value in javadocs with practical examples, diagrams, and best practices. Covers java, arrays, int development techniques with visual explanations.
Categories:
Variable-sized Array Initialization in Java
Learn variable-sized array initialization in java with practical examples, diagrams, and best practices. Covers java, arrays, initialization development techniques with visual explanations.
Categories:
What is a JavaBean exactly?
Learn what is a javabean exactly? with practical examples, diagrams, and best practices. Covers java, dependency-injection, inversion-of-control development techniques with visual explanations.
Categories:
Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
Learn can not deserialize instance of java.util.arraylist out of start_object token with practical examples, diagrams, and best practices. Covers java, spring, jackson development techniques with v...
Categories:
What is the difference between List.of and Arrays.asList?
Learn what is the difference between list.of and arrays.aslist? with practical examples, diagrams, and best practices. Covers java, list, java-9 development techniques with visual explanations.
Categories:
How to deploy Tyrus (JSR 356 implementation) to a web container?
Learn how to deploy tyrus (jsr 356 implementation) to a web container? with practical examples, diagrams, and best practices. Covers java, tomcat, deployment development techniques with visual expl...
Categories:
How to use indexOf? Please help a beginner out
Learn how to use indexof? please help a beginner out with practical examples, diagrams, and best practices. Covers java, methods, char development techniques with visual explanations.
Categories:
Set all values of ArrayList<Boolean> to false on instantiation
Learn set all values of arraylist
Categories:
Is there any hook provided to register a thread with garbage collection in java?
Learn is there any hook provided to register a thread with garbage collection in java? with practical examples, diagrams, and best practices. Covers java, garbage-collection, hook development techn...
Categories:
Creating Global Map Java
Learn creating global map java with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
How to set alarm to first Thursday of each month using AlarmManager
Learn how to set alarm to first thursday of each month using alarmmanager with practical examples, diagrams, and best practices. Covers java, android, alarmmanager development techniques with visua...
Categories:
java.lang.ExceptionInInitializerError Caused by: java.lang.NullPointerException
Learn java.lang.exceptionininitializererror caused by: java.lang.nullpointerexception with practical examples, diagrams, and best practices. Covers java, exception, nullpointerexception development...
Categories:
Eclipse: how to selectively disable spell check in certain comments
Learn eclipse: how to selectively disable spell check in certain comments with practical examples, diagrams, and best practices. Covers java, eclipse, spell-checking development techniques with vis...
Categories:
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getParts()
Learn java.lang.nosuchmethoderror: javax.servlet.http.httpservletrequest.getparts() with practical examples, diagrams, and best practices. Covers java, spring, maven development techniques with vis...
Categories:
How do I reverse an int array in Java?
Learn how do i reverse an int array in java? with practical examples, diagrams, and best practices. Covers java, arrays, idioms development techniques with visual explanations.
Categories:
Why use IOexception instead of Exception when catching?
Learn why use ioexception instead of exception when catching? with practical examples, diagrams, and best practices. Covers java, exception development techniques with visual explanations.
Categories:
Converting some hexadecimal string to a decimal integer
Learn converting some hexadecimal string to a decimal integer with practical examples, diagrams, and best practices. Covers java, hex, type-conversion development techniques with visual explanations.
Categories:
What is the difference between java and core java?
Learn what is the difference between java and core java? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
Why Java opens 3 ports when JMX is configured?
Learn why java opens 3 ports when jmx is configured? with practical examples, diagrams, and best practices. Covers java, rmi, jmx development techniques with visual explanations.
Categories:
Looking for a feedback on JIDE
Learn looking for a feedback on jide with practical examples, diagrams, and best practices. Covers java, swing, jide development techniques with visual explanations.
Categories:
IllegalArgumentException: argument type mismatch in Hibernate
Learn illegalargumentexception: argument type mismatch in hibernate with practical examples, diagrams, and best practices. Covers java, hibernate, orm development techniques with visual explanations.
Categories:
How to use the Comparable CompareTo on Strings in Java
Learn how to use the comparable compareto on strings in java with practical examples, diagrams, and best practices. Covers java, comparable, compareto development techniques with visual explanations.
Categories:
What is the difference between JDK and JRE?
Learn what is the difference between jdk and jre? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
How to format Joda-Time DateTime to only mm/dd/yyyy?
Learn how to format joda-time datetime to only mm/dd/yyyy? with practical examples, diagrams, and best practices. Covers java, jodatime, java-dateformat development techniques with visual explanati...
Categories:
What is the difference between a local variable, an instance field, an input parameter, and a cla...
Learn what is the difference between a local variable, an instance field, an input parameter, and a class field? with practical examples, diagrams, and best practices. Covers java, variables, scope...
Categories:
What is the difference between public, protected, package-private and private in Java?
Learn what is the difference between public, protected, package-private and private in java? with practical examples, diagrams, and best practices. Covers java, private, public development techniqu...
Categories:
Shuffling and drawing from a deck of cards in java
Learn shuffling and drawing from a deck of cards in java with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
BufferedWriter advantages
Learn bufferedwriter advantages with practical examples, diagrams, and best practices. Covers java, printwriter, bufferedwriter development techniques with visual explanations.
Categories:
List of Strings VS String Array VS Stringbuilder
Learn list of strings vs string array vs stringbuilder with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
How to allocate space to JAVA using command line
Learn how to allocate space to java using command line with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
Categories:
Cron Expression once each 2 days
Learn cron expression once each 2 days with practical examples, diagrams, and best practices. Covers java, cron, quartz-scheduler development techniques with visual explanations.
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Draw SVG images on a JPanel
Learn draw svg images on a jpanel with practical examples, diagrams, and best practices. Covers java, swing, svg development techniques with visual explanations.
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In java, what's the difference between InetAddress.getLocalHost() and InetAddress.getByName("127....
Learn in java, what's the difference between inetaddress.getlocalhost() and inetaddress.getbyname("127.0.0.1") with practical examples, diagrams, and best practices. Covers java, network-programmin...
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How to deal with "java.lang.OutOfMemoryError: Java heap space" error?
Learn how to deal with "java.lang.outofmemoryerror: java heap space" error? with practical examples, diagrams, and best practices. Covers java, jvm, out-of-memory development techniques with visual...
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How to create image in Java
Learn how to create image in java with practical examples, diagrams, and best practices. Covers java, javax.imageio development techniques with visual explanations.
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Running JAR file on Windows
Learn running jar file on windows with practical examples, diagrams, and best practices. Covers java, jar, executable-jar development techniques with visual explanations.
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Java - How do I find the length of a string in an array?
Learn java - how do i find the length of a string in an array? with practical examples, diagrams, and best practices. Covers java, arrays, string development techniques with visual explanations.
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How to install Jdk in centos
Learn how to install jdk in centos with practical examples, diagrams, and best practices. Covers java, centos development techniques with visual explanations.
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How to implement my own LinkedList<LinkedList> data structure in Java?
Learn how to implement my own linkedlist
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How to quickly and conveniently create a one element arraylist
Learn how to quickly and conveniently create a one element arraylist with practical examples, diagrams, and best practices. Covers java, arraylist, collections development techniques with visual ex...
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max value of integer
Learn max value of integer with practical examples, diagrams, and best practices. Covers java, c, integer development techniques with visual explanations.
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how to create a square using for loops
Learn how to create a square using for loops with practical examples, diagrams, and best practices. Covers java, algorithm, text development techniques with visual explanations.
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Calculating days between two dates with Java
Learn calculating days between two dates with java with practical examples, diagrams, and best practices. Covers java, date-arithmetic development techniques with visual explanations.
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What is the difference between "Double" and "double" in Java?
Learn what is the difference between "double" and "double" in java? with practical examples, diagrams, and best practices. Covers java, double development techniques with visual explanations.
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How to initialize an array in Java?
Learn how to initialize an array in java? with practical examples, diagrams, and best practices. Covers java, arrays, initialization development techniques with visual explanations.
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iText- ColumnText set text fit size in Rectangle
Learn itext- columntext set text fit size in rectangle with practical examples, diagrams, and best practices. Covers java, itext development techniques with visual explanations.
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determining the winner in a rock paper scissor game
Learn determining the winner in a rock paper scissor game with practical examples, diagrams, and best practices. Covers java, methods development techniques with visual explanations.
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De Morgan's Law
Learn de morgan's law with practical examples, diagrams, and best practices. Covers java, boolean-logic, demorgans-law development techniques with visual explanations.
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Is there BlockingMap as BlockingQueue in java?
Learn is there blockingmap as blockingqueue in java? with practical examples, diagrams, and best practices. Covers java, concurrency, java.util.concurrent development techniques with visual explana...
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How to create a .jar file or export JAR in IntelliJ IDEA (like Eclipse Java archive export)?
Learn how to create a .jar file or export jar in intellij idea (like eclipse java archive export)? with practical examples, diagrams, and best practices. Covers java, intellij-idea development tech...
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Issue Java 6 daylight saving's time for Brazil
Learn issue java 6 daylight saving's time for brazil with practical examples, diagrams, and best practices. Covers java, date development techniques with visual explanations.
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Check out if a triangle is obtuse triangle
Learn check out if a triangle is obtuse triangle with practical examples, diagrams, and best practices. Covers java, algorithm, geometry development techniques with visual explanations.
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length and length() in Java
Learn length and length() in java with practical examples, diagrams, and best practices. Covers java, arrays, string development techniques with visual explanations.
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'X.class' to get it's 'X' type?
Learn 'x.class' to get it's 'x' type? with practical examples, diagrams, and best practices. Covers java, class, java.lang.class development techniques with visual explanations.
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Add context path to Spring Boot application
Learn add context path to spring boot application with practical examples, diagrams, and best practices. Covers java, spring, spring-mvc development techniques with visual explanations.
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My custom "paste from clipboard" action
Learn my custom "paste from clipboard" action with practical examples, diagrams, and best practices. Covers java, c++, linux development techniques with visual explanations.
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How do I efficiently iterate over each entry in a Java Map?
Learn how do i efficiently iterate over each entry in a java map? with practical examples, diagrams, and best practices. Covers java, dictionary, collections development techniques with visual expl...
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Java String Split by "|"
Learn java string split by "|" with practical examples, diagrams, and best practices. Covers java, string, split development techniques with visual explanations.
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Why is synchronized block better than synchronized method?
Learn why is synchronized block better than synchronized method? with practical examples, diagrams, and best practices. Covers java, multithreading, synchronization development techniques with visu...
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Caused By: java.lang.NoClassDefFoundError: org/apache/log4j/Logger
Learn caused by: java.lang.noclassdeffounderror: org/apache/log4j/logger with practical examples, diagrams, and best practices. Covers java, logging, classpath development techniques with visual ex...
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What is the difference between dynamic and static polymorphism in Java?
Learn what is the difference between dynamic and static polymorphism in java? with practical examples, diagrams, and best practices. Covers java, oop, polymorphism development techniques with visua...
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exception loading sessions from persistent storage
Learn exception loading sessions from persistent storage with practical examples, diagrams, and best practices. Covers java, spring, spring-mvc development techniques with visual explanations.
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JDK = Java SE && JDK != Java EE?
Learn jdk = java se && jdk != java ee? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Access scanner from Java or Python (or something else if it's technically motivated) in Linux (bu...
Learn access scanner from java or python (or something else if it's technically motivated) in linux (but windows would be nice) with practical examples, diagrams, and best practices. Covers java, p...
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How should I set CLASSPATH?
Learn how should i set classpath? with practical examples, diagrams, and best practices. Covers java, classpath development techniques with visual explanations.
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How to add the "play again?" feature for java
Learn how to add the "play again?" feature for java with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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What is the difference between Socket and ServerSocket?
Learn what is the difference between socket and serversocket? with practical examples, diagrams, and best practices. Covers java, sockets, serversocket development techniques with visual explanations.
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Java - Making a card game, have questions about classes
Learn java - making a card game, have questions about classes with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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couchbase java client 1.2.* fails with maven dependency
Learn couchbase java client 1.2.* fails with maven dependency with practical examples, diagrams, and best practices. Covers java, maven, couchbase development techniques with visual explanations.
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How can I shuffle the letters of a word?
Learn how can i shuffle the letters of a word? with practical examples, diagrams, and best practices. Covers java, arrays, random development techniques with visual explanations.
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do-while and while comparison
Learn do-while and while comparison with practical examples, diagrams, and best practices. Covers java, loops, while-loop development techniques with visual explanations.
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Recommendations for a heap analysis tool for Java?
Learn recommendations for a heap analysis tool for java? with practical examples, diagrams, and best practices. Covers java, memory, profiling development techniques with visual explanations.
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Iterate through a HashMap
Learn iterate through a hashmap with practical examples, diagrams, and best practices. Covers java, loops, hashmap development techniques with visual explanations.
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Selenium assertEquals behavior
Learn selenium assertequals behavior with practical examples, diagrams, and best practices. Covers java, selenium development techniques with visual explanations.
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where can I get springs source code?
Learn where can i get springs source code? with practical examples, diagrams, and best practices. Covers java, spring development techniques with visual explanations.
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Trouble matching states to capitals
Learn trouble matching states to capitals with practical examples, diagrams, and best practices. Covers java, arrays, file development techniques with visual explanations.
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HC-06 bluetooth module
Learn hc-06 bluetooth module with practical examples, diagrams, and best practices. Covers java, android, bluetooth development techniques with visual explanations.
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Is charset=unicode UTF-8, UTF-16 or something else?
Learn is charset=unicode utf-8, utf-16 or something else? with practical examples, diagrams, and best practices. Covers java, html, unicode development techniques with visual explanations.
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How to select a dropdown value in Selenium WebDriver using Java
Learn how to select a dropdown value in selenium webdriver using java with practical examples, diagrams, and best practices. Covers java, selenium-webdriver development techniques with visual expla...
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How to solve could not create the virtual machine error of Java Virtual Machine Launcher?
Learn how to solve could not create the virtual machine error of java virtual machine launcher? with practical examples, diagrams, and best practices. Covers java, eclipse, version development tech...
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What does the <E> syntax mean in Java?
Learn what does the
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Read line with Scanner
Learn read line with scanner with practical examples, diagrams, and best practices. Covers java, java.util.scanner, readline development techniques with visual explanations.
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How to initialize HashSet values by construction?
Learn how to initialize hashset values by construction? with practical examples, diagrams, and best practices. Covers java, collections, constructor development techniques with visual explanations.
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How to verify an attribute is present in an element using Selenium WebDriver?
Learn how to verify an attribute is present in an element using selenium webdriver? with practical examples, diagrams, and best practices. Covers java, selenium, selenium-webdriver development tech...
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How to unit test a method that reads a given file
Learn how to unit test a method that reads a given file with practical examples, diagrams, and best practices. Covers java, file, unit-testing development techniques with visual explanations.
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
Learn how can i tell if i'm running in 64-bit jvm or 32-bit jvm (from within a program)? with practical examples, diagrams, and best practices. Covers java, jvm, java-native-interface development t...
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Using Jackson to deserialize into a Map
Learn using jackson to deserialize into a map with practical examples, diagrams, and best practices. Covers java, json, jackson development techniques with visual explanations.
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TreeModel creation
Learn treemodel creation with practical examples, diagrams, and best practices. Covers java, swing, tree development techniques with visual explanations.
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axis ip camera live streaming using java
Learn axis ip camera live streaming using java with practical examples, diagrams, and best practices. Covers java, ip-camera development techniques with visual explanations.
Categories:
What exactly does a jar file contain?
Learn what exactly does a jar file contain? with practical examples, diagrams, and best practices. Covers java, jar development techniques with visual explanations.
Categories:
Evaluate Boolean Expression
Learn evaluate boolean expression with practical examples, diagrams, and best practices. Covers java, computer-science development techniques with visual explanations.
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Sort a file with huge volume of data given memory constraint
Learn sort a file with huge volume of data given memory constraint with practical examples, diagrams, and best practices. Covers java, file, sorting development techniques with visual explanations.
Categories:
Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
Learn difference between @before, @beforeclass, @beforeeach and @beforeall with practical examples, diagrams, and best practices. Covers java, junit, annotations development techniques with visual ...
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:: (double colon) operator in Java 8
Learn :: (double colon) operator in java 8 with practical examples, diagrams, and best practices. Covers java, java-8, method-reference development techniques with visual explanations.
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Byte[] to InputStream or OutputStream
Learn byte[] to inputstream or outputstream with practical examples, diagrams, and best practices. Covers java, arrays, inputstream development techniques with visual explanations.
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println method - what do the last 2 letters (l & n) stand for?
Learn println method - what do the last 2 letters (l & n) stand for? with practical examples, diagrams, and best practices. Covers java, out, println development techniques with visual explanations.
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Get string character by index
Learn get string character by index with practical examples, diagrams, and best practices. Covers java, string development techniques with visual explanations.
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When would a do-while loop be the better than a while-loop?
Learn when would a do-while loop be the better than a while-loop? with practical examples, diagrams, and best practices. Covers java, loops, while-loop development techniques with visual explanations.
Categories:
A good approach to do multipart file upload in Android
Learn a good approach to do multipart file upload in android with practical examples, diagrams, and best practices. Covers java, android, multithreading development techniques with visual explanati...
Categories:
Setting JAVA_HOME
Learn setting java_home with practical examples, diagrams, and best practices. Covers java, windows, command-line development techniques with visual explanations.
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Why Spring's jdbcTemplate.batchUpdate() so slow?
Learn why spring's jdbctemplate.batchupdate() so slow? with practical examples, diagrams, and best practices. Covers java, mysql, spring development techniques with visual explanations.
Categories:
How to sort a List/ArrayList?
Learn how to sort a list/arraylist? with practical examples, diagrams, and best practices. Covers java, list, sorting development techniques with visual explanations.
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&& (AND) and || (OR) in IF statements
Learn && (and) and || (or) in if statements with practical examples, diagrams, and best practices. Covers java, if-statement development techniques with visual explanations.
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Reverse a string in Java
Learn reverse a string in java with practical examples, diagrams, and best practices. Covers java, string development techniques with visual explanations.
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How do I use 3DES encryption/decryption in Java?
Learn how do i use 3des encryption/decryption in java? with practical examples, diagrams, and best practices. Covers java, encryption, 3des development techniques with visual explanations.
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A long bigger than Long.MAX_VALUE
Learn a long bigger than long.max_value with practical examples, diagrams, and best practices. Covers java, long-integer development techniques with visual explanations.
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How to download JRE 1.8 for production environment?
Learn how to download jre 1.8 for production environment? with practical examples, diagrams, and best practices. Covers java, oracle-database, java-8 development techniques with visual explanations.
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Calling Non-Static Method In Static Method In Java
Learn calling non-static method in static method in java with practical examples, diagrams, and best practices. Covers java, static, non-static development techniques with visual explanations.
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Difference of Enum between java and C++?
Learn difference of enum between java and c++? with practical examples, diagrams, and best practices. Covers java, c++ development techniques with visual explanations.
Categories:
Generating a Random Number between 1 and 10 Java
Learn generating a random number between 1 and 10 java with practical examples, diagrams, and best practices. Covers java, random development techniques with visual explanations.
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what is loose coupling and tight coupling in oop ( java )
Learn what is loose coupling and tight coupling in oop ( java ) with practical examples, diagrams, and best practices. Covers java, oop development techniques with visual explanations.
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round up to 2 decimal places in java?
Learn round up to 2 decimal places in java? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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Exception : mockito wanted but not invoked, Actually there were zero interactions with this mock
Learn exception : mockito wanted but not invoked, actually there were zero interactions with this mock with practical examples, diagrams, and best practices. Covers java, unit-testing, mockito deve...
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What does PMD stand for?
Learn what does pmd stand for? with practical examples, diagrams, and best practices. Covers java, code-analysis, pmd development techniques with visual explanations.
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how to get all attributes of a class?
Learn how to get all attributes of a class? with practical examples, diagrams, and best practices. Covers java development techniques with visual explanations.
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What is the default stack size, can it grow, how does it work with garbage collection?
Learn what is the default stack size, can it grow, how does it work with garbage collection? with practical examples, diagrams, and best practices. Covers java, memory, stack development techniques...
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@Autowired - No qualifying bean of type found for dependency
Learn @autowired - no qualifying bean of type found for dependency with practical examples, diagrams, and best practices. Covers java, spring, spring-mvc development techniques with visual explanat...
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Could not open JPA EntityManager for transaction; nested exception is java.lang.IllegalStateExcep...
Learn could not open jpa entitymanager for transaction; nested exception is java.lang.illegalstateexception with practical examples, diagrams, and best practices. Covers java, spring, hibernate dev...
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How can I mount a windows drive in Java?
Learn how can i mount a windows drive in java? with practical examples, diagrams, and best practices. Covers java, windows-services, unc development techniques with visual explanations.
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Java: break statement in "if else"
Learn java: break statement in "if else" with practical examples, diagrams, and best practices. Covers java, if-statement, for-loop development techniques with visual explanations.
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Could not resolve placeholder in string value
Learn could not resolve placeholder in string value with practical examples, diagrams, and best practices. Covers java, spring development techniques with visual explanations.
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How to make Selenium wait until an element is present?
Learn how to make selenium wait until an element is present? with practical examples, diagrams, and best practices. Covers java, selenium, selenium-webdriver development techniques with visual expl...
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Java: unparseable date exception
Learn java: unparseable date exception with practical examples, diagrams, and best practices. Covers java, date, format development techniques with visual explanations.
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Why Android Studio says "Waiting For Debugger" if am NOT debugging?
Learn why android studio says "waiting for debugger" if am not debugging? with practical examples, diagrams, and best practices. Covers java, android, android-studio development techniques with vis...
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How do I change the default application icon in Java?
Learn how do i change the default application icon in java? with practical examples, diagrams, and best practices. Covers java, icons development techniques with visual explanations.
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Why import javax.swing.* instead of java.swing.*
Learn why import javax.swing.* instead of java.swing.* with practical examples, diagrams, and best practices. Covers java, swing, package development techniques with visual explanations.
Categories:
Where is System.err on Windows?
Learn where is system.err on windows? with practical examples, diagrams, and best practices. Covers java, windows, stdout development techniques with visual explanations.
Categories:
Significance of a PATH explained
Learn significance of a path explained with practical examples, diagrams, and best practices. Covers c#, java, python development techniques with visual explanations.
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Launch minecraft 1.6.4 from command line with C#
Learn launch minecraft 1.6.4 from command line with c# with practical examples, diagrams, and best practices. Covers c#, java, batch-file development techniques with visual explanations.
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what is the difference between cascading and chaining
Learn what is the difference between cascading and chaining with practical examples, diagrams, and best practices. Covers c#, java, javascript development techniques with visual explanations.