File Extension CLASS

File type: Bytecode

Click here to run a free instant scan for CLASS related errors.

Notes about the CLASS file extension:

Errors in your registry are one of the common causes for incorrect file associations on your windows system. It is highly recommended that you check your registry for file association errors (will also check for any other registry errors).

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

Cannot access CLASS files on windows?

When windows gives you an error message saying that it
"Cannot open CLASS files", this means either:

A. You need to identify a program that can open the file
B. Or your registry may be damaged

RECOMMENDED:

In both cases it is strongly recommended that you
run a free scan for registry errors.

File extension: .CLASS

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

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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