.CLASS File

File extension: CLASS

File type: Bytecode

Do you have speed issues?
First check your registry for invalid entries.

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))

'Identifying characters' used on FILExt.com 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: JBuilder.classFile
EXEFile: C:\Borland\JBuilder2005\bin\JBuilderw.exe +SPLASH +SHELL %1

ProgramID: JBuilder.classFile
EXEFile: blank

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

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

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

Program Name and MIME Type Info for File Extension .CLASS

FILExt has been given permission to display a Program Name/MIME type database collected by Anthony R. Nemmer. Some of this data has already been included into the main FILExt database. Those entries which have not yet been incorporated are displayed below.

Program Name Mime Type application/x-java-applet;version=1.1Java Plug-in for Netscape Navigatorapplication/x-java-applet;version=1.1.1 application/x-java-bean;version=1.1Java Plug-in for Netscape Navigatorapplication/x-java-bean;version=1.1.1 application/x-java-vm/java-applet application/x-java-vm/java-beansOracle JInitiatorapplication/x-jinit-applet;version=1.1Oracle JInitiatorapplication/x-jinit-applet;version=1.1.1.0 application/x-jinit-applet;version=1.1.1.0-2Oracle JInitiatorapplication/x-jinit-applet;version=1.1.5.21Oracle JInitiatorapplication/x-jinit-applet;version=1.1.5.21.1 application/x-jinit-applet;version=1.1.5.3Oracle JInitiatorapplication/x-jinit-applet;version=1.1.5.4Oracle JInitiatorapplication/x-jinit-applet;version=1.1.5.5.1Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.10 application/x-jinit-applet;version=1.1.7.11Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.14 application/x-jinit-applet;version=1.1.7.15Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.15.1 application/x-jinit-applet;version=1.1.7.18Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.19Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.26Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.27Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.28Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.30Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.32Oracle JInitiatorapplication/x-jinit-applet;version=1.1.7.9Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.11Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.14Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.16Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.2Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.3Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.6Oracle JInitiatorapplication/x-jinit-applet;version=1.1.8.7Oracle JInitiatorapplication/x-jinit-beanOracle JInitiatorapplication/x-jinit-bean;version=1.1Oracle JInitiatorapplication/x-jinit-bean;version=1.1.1.0 application/x-jinit-bean;version=1.1.1.0-2Oracle JInitiatorapplication/x-jinit-bean;version=1.1.5.21Oracle JInitiatorapplication/x-jinit-bean;version=1.1.5.21.1 application/x-jinit-bean;version=1.1.5.3Oracle JInitiatorapplication/x-jinit-bean;version=1.1.5.4Oracle JInitiatorapplication/x-jinit-bean;version=1.1.5.5.1 text/plain

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