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Java File Extensions (.java)

By Mike Prestwood

Posted 16 years ago on 10/29/2008 and updated 1/13/2009

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To/From Code Guide: Java File Extensions... vs. Other Languages

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Tags: Java , File Extensions

KB101351

Languages Focus: File Extensions

Common or primary file extensions used (not a complete list, just the basics).

Java File Extensions

The customary primary source file extension for Java code is ".java" which could contain anywhere from a single class to the entire source code.

Other important files:

.JAR - Java archive file (compressed code file). Archive that contains multiple Java files and is compressed using .ZIP compression; stores Java classes and metadata and may be digitally signed; runs as a program if the Java Runtime Environment (JRE) is installed on the computer.
.CLASS - compiled source code which are platform-independent. If a source file has more than one class, each class is compiled into a separate .class file. These .class files can be loaded by any Java Virtual Machine (JVM).

Additional Eclipse Files:

.JPAGE = Eclipse Scrapbook file

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Comments 1 Comments. Share a thought or comment...

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PS_4153

Comment 2 of 2

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Code Contributed By Mike Prestwood:

Mike Prestwood is a drummer, an author, and creator of the PrestwoodBoards online community. He is the President & CEO of Prestwood IT Solutions. Prestwood IT provides Coding, Website, and Computer Tech services. Mike has authored 6 computer books and over 1,200 articles. As a drummer, he maintains play-drums.com and has authored 3 drum books. If you have a project you wish to discuss with Mike, you can send him a private message through his PrestwoodBoards home page or call him 9AM to 4PM PST at 916-726-5675 x205.

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KB101351

Languages Focus: File Extensions

Java File Extensions

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