.J File Extension

Are you having difficulty opening a file that ends with .J? Such files can be executed only by certain programs. If you cannot open the .J file, it can be due to the following reasons: either you do not have an appropriate program to open it, or your file association is corrupted. For more information about this extension, please read the article below.

What is a .J file?

.J file belongs to the category of Developer Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

.J j
Developer: Oracle
File Type: Java Source File
Format: Text

.J file is associated with Java Source File developed by Oracle, has a Text Format and belongs to Developer Files category.

A J file (Java Source File) is the first step in creating a Java source code file. It is a plain text file that includes all the information needed to create a Java application, including the definition of classes, methods, and interfaces.

More information

A J file allows users to write apps in Java and compile them into executable files. This will enable them to run their application on any platform that supports Java. J files can be opened using the apps that support the format.



JAR Archive

.J file belongs to the category of Compressed Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

.J j
Developer: N/A
File Type: JAR Archive
Format: N/A

.J file is associated with JAR Archive developed by N/A, has a N/A Format and belongs to Compressed Files category.


JPEG Image

.J file belongs to the category of Raster Image Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

.J j
Developer: N/A
File Type: JPEG Image
Format: Binary

.J file is associated with JPEG Image developed by N/A, has a Binary Format and belongs to Raster Image Files category.


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