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CLASS File Extension

CLASS file extension is created by Oracle, also known as Java Class File. CLASS has been classified as Developer Files. This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open CLASS files in Oracle Java Virtual Machine program.



Java Class File Type

Java Class File Type
Extension .class
Developer Oracle
Popularity 4.0 (175 Votes)
Mime Type text/x-c
Default Program Oracle Java Virtual Machine
Category Developer Files
Format Binary
Updated 11/1/2024

What is a CLASS File Type?

The CLASS files can be compiled from JAVA files using javac, which is included in a JVM installation. Many of them, such as Eclipse, can compile CLASS files on the fly while the developers write the program code.

Since there are several versions of the JVM (e.g., 1.4; 1.5; 1.6), some CLASS files may not be compatible with certain versions of the JVM. It can run CLASS files, but it cannot compile them because it does not include the javac binary.

Sun Microsystems, the first Java developer, was acquired by Oracle. JRE and JVM are often used as synonyms for the-platform running Java applications.



Free online CLASS Tools & Apps

We have also the free online .CLASS (Java Class File) file extension apps that can allow to view, edit, convert from to CLASS, merge, split and compare the CLASS files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.



CLASS Files Common Issues

There are few common issues with the Java Class File .CLASS File Extensions while opening the .CLASS files on Windows and MacOs, we have solution to those issues such as:

Can't Open CLASS Files?

  1. You must have supported software programs installed for Java Class File on your system such as Oracle Java Virtual Machine.
  2. Associate default Oracle Oracle Java Virtual Machine program for *.class (Java Class File) files.

    Associate CLASS Default Program on Windows
    1. Right-click a *.CLASS (e.g example.class) file and click Open With.
    2. In the Open with dialog box, click Oracle Oracle Java Virtual Machine program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .class files.

    Associate CLASS Default Program on MacOs
    1. Click *.CLASS (e.g example.class) file and click information -> Open With.
    2. In the programs list, click Oracle Oracle Java Virtual Machine program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Oracle Java Virtual Machine extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related CLASS File Extensions

CLASS default file extension is .CLASS and other similer related extensions are:



All Platform Software Programs for CLASS File Extension

List of all softwares that can open the CLASS files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open CLASS File on Windows

Software License Developer
Eclipse Foundation Eclipse image. Eclipse Foundation Eclipse 4 for Windows Open Source Eclipse Foundation
Oracle Java Virtual Machine image. Oracle Java Virtual Machine 8 for Windows Open Source Oracle
Oracle Java Runtime Environment image. Oracle Java Runtime Environment 000 for Windows Free Oracle Java Runtime Environment

MacOs logo image - FileProInfo.comOpen CLASS File on Mac OS

Software License Developer
Eclipse Foundation Eclipse image. Eclipse Foundation Eclipse 4 for MacOs Open Source Eclipse Foundation
Oracle Java Virtual Machine image. Oracle Java Virtual Machine 8 for MacOs Open Source Oracle
Oracle Java Runtime Environment image. Oracle Java Runtime Environment 000 for MacOs Free Oracle Java Runtime Environment

Linux logo image - FileProInfo.comOpen CLASS file on Linux

Software License Developer
Eclipse Foundation Eclipse image. Eclipse Foundation Eclipse 4 for Linux Open Source Eclipse Foundation
Oracle Java Virtual Machine image. Oracle Java Virtual Machine 8 for Linux Open Source Oracle
Oracle Java Runtime Environment image. Oracle Java Runtime Environment 000 for Linux Free Oracle Java Runtime Environment

Website logo image - FileProInfo.comOpen CLASS file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen CLASS file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen CLASS file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

CLASS file extension icon image.About CLASS - Java Class File

FileProInfo is to help you understand about the Java Class File with *.CLASS suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for CLASS. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for CLASS, please let us know.

Updated 11/1/2024


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