File Extension CLASS


File extension: CLASS
File type: Bytecode

Notes about the CLASS file extension:

Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The CLASS file type is primarily associated with 'Java' by Sun Microsystems, Inc.. Compiled bytecode class application.

Detailed information for file extension CLASS:

Primary association: Java
Company: Sun Microsystems, Inc.
Mime type: application/octet-stream, application/x-java, application/java-byte-code, application/x-java-class, application/x-java-vm, application/x-java-bean, application/x-jinit-bean, application/x-jinit-applet
Identifying characters Hex: CA FE BA BE , ASCII:

Other applications associated with file type CLASS:

  • Java (Class File) by Sun Microsystems, Inc.Note: This file type can become infected and should be carefully scanned if someone sends you a file with this extension. The Mime types used with this association are: application/x-java-class, application/java, application/java-vm, application/x-class-file, application/x-java, application/x-java-applet, application/x-java-bean, application/x-java-vm, application/x-jinit-a. Program ID: JavaClass File
  • Gambas (Gambas Class Source File) by Gambas TeamThe '.class' extension for a Gambas source file designates it as a class, rather than having class designation code within it. This association is classified as Source Code.
  • Unknown Apple II File ((found on Golden Orchard Apple II CD Rom))
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension CLASS click this link to expand/hide the additional area.

System Info for File Extension .CLASS

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: Java Class File, FileType: Java Class File, AppName: Open Class File Error Message Dialog
EXEFile: OpenClass.exe

ProgramID: CodeGuide.ClassFile
EXEFile: E:\CodeGuide\CodeGuide5.exe %1

ProgramID: DMGenie_Class
EXEFile: %ProgramFiles%\DM Genie\DMGENIE.EXE %1

ProgramID: JBuilder.JavaClass
EXEFile: %ProgramFiles%\Borland\JBuilder Foundation 4.0\bin\JBuilderW.exe +SHELL

ProgramID: JBuilder.classFile
EXEFile: blank

ProgramID: JBuilder.classFile
EXEFile: C:\Borland\JBuilder2005\bin\JBuilderw.exe +SPLASH +SHELL %1

ProgramID: JBuilder.classFile
EXEFile: C:\_Andrzej\Progr\JBuilder9\bin\JBuilderW.exe +SHELL %1

ProgramID: JBuilder.classFile
EXEFile: C:\JBuilder9\bin\JBuilderW.exe +SHELL %1

ProgramID: JBuilder.classFile
EXEFile: %ProgramFiles%\JBuilderX\bin\JBuilderW.exe +SHELL

ProgramID: Java Class File
EXEFile: %SystemRoot%\system32\OpenClass.exe

ProgramID: JBuilder.classFile
EXEFile: %ProgramFiles%\Borland\JBuilder2005\bin\JBuilderw.exe SPLASH SHELL

ProgramID: JBuilder.classFile
EXEFile: %ProgramFiles%\JBuilder2006\bin\JBuilderw.exe +SPLASH +SHELL

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