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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
JAVA - Extension Details
Date Added: January 01, 1970
File Extension:  .JAVA
Description 1: .JAVA file extension is linked with Java Source Code File. The program is written using Java programming language. It utilizes data types that were defined as objects which is an objectoriented strategy. JAVA files may carry an entire code for a single program or one of various source code files utilized by a Java development project. .JAVA file extension and Java programming language are owned and developed by Sun Microsystems.
File Type:   Source Code and Script File
Mode: ASCII
Program(s) to Open:  Windows & Mac: can be edited using any text editor, Requires Java compiler to run; Unix/Linux: can be edited using a text editor such as vi, Java compiler such as javac.
Common:
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