Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .java

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .java file?
  • Which program can create the .java file?
  • Where can you find a description of the .java format?
  • What can convert .java files to a different format?
  • Which MIME-type is associated with the .java extension?
Java Source Code .java file icon

Java Source Code

JAVA file is a Java Source Code. Java source code can be compiled into Java bytecode (CLASS) using javac, the Java compiler.
Category: Development files
Application: Java Development Kit
Program name: javac.exe
Mime-type: text/plain
Magic bytes (HEX): -
Magic string (ASCII): -
j, jav
Related extensions:
Java Class Data
Java Archive
JRun Server Application
Java Manifest File
Java Application Descriptor
BlackBerry COD Archive
Java Serialized Object
Digital Signature
Java Web Archive

Other types of files may also use the .java file extension. If you have helpful information about .java extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

BrainVoyager QX ANCOVA Analysis Data
Java Source Code
Junos Firefly VM Package
Autopano Video Pro Video

The .java filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

kava (1), ava (1), jva (1)

Can't open a .java file?

If you want to open a .java file on your computer, you just need to have the appropriate program installed. If the .java association isn't set correctly, you may receive the following error message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android