CLASSfile extension

Java Class File

Have trouble opening the .class extension? Don't panic! This page explains class files and suggests programs you may use to open class files. You can download these programs through this page!


What is CLASS file?

A CLASS file contains the bytecode of an application written in the Java programming language and is designed to run on the Java Virtual Machine (JVM). Файлы CLASS are generated when compiling application source files that include classes. To run successfully, the class file must be compatible with the JVM version being used.

More information

The CLASS files are automatically generated during the JAVA file compilation process. JAVA files are the source files for any JAVA applications. On the other hand, a CLASS file contains a bytecode that does not depend on the platform.A JAVA file can contain one or more classes, and each class gets its own CLASS file during the code compilation process. JAVA files are compiled into CLASS files using the javac command included with the JVM software. Most Java programming environments are capable of compiling CLASS files on the fly as programmers write code.


How to open CLASS file?

Here are some universal methods of opening a file. Please, use this list of solutions.

Method 1: Correctly fix file association error

By following these steps, the user will be able to fix the class extension association problem in an instant automatically:

Step 1: Click the "Download Solution" button to download the automatic tool from Appsitory.

Step 2: Now click "Start Scan" to find out all potential problems.

Step 3: Review the resulting scan and click the "Fix Items" option.

Method 2: Download apps that open the class file

Here is a list of the presented programs that you should use to open/convert the class file. You can choose the right program for your OS and click on it to start the download. You can also visit the developer's website.

Apps that open CLASS files

Method 3: Use Universal File Viewer

The recommended use of Universal File Viewer, a tool for opening over 250 file extensions, complements the list of programs above. This utility is capable of opening your class file. Download Universal File Viewer to your OS quickly and securely.