Java
Browse 446 guides in Java
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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...

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...

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...

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...
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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.

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.
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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.

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.
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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.
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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.

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.
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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.

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.

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...
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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...

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...
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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.
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BufferedWriter advantages
Learn bufferedwriter advantages with practical examples, diagrams, and best practices. Covers java, printwriter, bufferedwriter development techniques with visual explanations.
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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.
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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.

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.

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...

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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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.

How to implement my own LinkedList<LinkedList> data structure in Java?
Learn how to implement my own linkedlist<linkedlist> data structure in java? with practical examples, diagrams, and best practices. Covers java, data-structures, hashtable development techniques wi...

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.