The File Extensions Database


.JAVA File Extension

What is an .JAVA file?

.JAVA is Java Source Code File

A JAVA file is a source code file written in the Java programming language, which was originally developed by Sun Microsystems but is now maintained by Oracle. It uses an object-oriented approach, where structured data types, called classes, are used to instantiate objects at runtime.

JAVA source code files are compiled into .CLASS files using a Java compiler (javac command). A CLASS file contains bytecode that can be executed by the Java Virtual Machine (JVM). The JVM can be downloaded for every major operating system, including Windows, Mac OS X, and Linux.

NOTE: Android programs are written in Java but are run using the Dalvik Virtual Machine (DVM), which is a different virtual machine than the standard JVM that is optimized for Android.

Programs that open Java Source Code File
Windows
File Viewer Plus
Oracle Java Virtual Machine
Eclipse IDE for Java Developers
Google Android Studio
Oracle NetBeans
Xinox JCreator
ES-Computing EditPlus
Microsoft Notepad
gVim
Mac
Oracle Java Virtual Machine
Eclipse IDE for Java Developers
Google Android Studio
Oracle NetBeans
Apple Xcode
MacroMates TextMate
MacVim
Linux
Oracle Java Virtual Machine
Eclipse IDE for Java Developers
Google Android Studio
Oracle NetBeans
javac
GNU Emacs

How to solve problems with JAVA files

  • Associate the JAVA file extension with the correct application. On :
    Windows: Right click on any JAVA file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.JAVA files". Mac: Right click (or Ctrl-click) the JAVA file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .JAVA is Java Source Code File. Because only the current version supports the latest JAVA file format. Search, therefore, e.g. on the Oracle manufacturer website after an available .JAVA is Java Source Code File update.
  • To make sure that your JAVA file is not corrupted or virus-infected, get the file again and scan it with antivirus software.
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