Java class file: Difference between revisions

Revision as of 05:09, 16 January 2022

Revision as of 19:30, 20 March 2022

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{{aboutAbout|the data format|classes in Java|Class (computer programming)}}

{{Infobox file format

| name = Java class file

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}}

A '''Java class file''' is a [[Computer file|file]] (with the {{mono|.class}} [[filename extension]]) containing [[Java bytecode]] that can be executed on the [[Java Virtualvirtual Machinemachine|Java Virtual Machine (JVM)]]. A Java class file is usually produced by a [[Java compiler]] from [[Java (programming language)|Java programming language]] [[source file]]s ({{mono|.java}} files) containing Java [[Class (programming)|classes]] (alternatively, other [[JVM languages]] can also be used to create class files). If a source file has more than one class, each class is compiled into a separate class file.

JVMs are available for many [[platform (computing)|platform]]s, and a class file compiled on one platform will execute on a JVM of another platform. This makes Java applications [[cross-platform|platform-independent]].

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==See also==

{{Portal|Computer programming}}

* [[Java bytecode]]

==References==

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| url = https://docs.oracle.com/javase/specs/jvms/se6/html/ClassFile.doc.html

| access-date = 2008-10-13

}} The official defining document of the [[Java virtual machine|Java Virtual Machine]], which includes the class file format. Both the first and second editions of the book are freely available [https://docs.oracle.com/javase/specs/ online for viewing and/or download].

{{Java (Sun)}}