The X

3 files use the extension of J

.J

JAR Archive

Classification:Compressed file
Compressed file archive created with JAR, the successor to the ARJ file compression program (which created .ARJ files); JAR is available in a 16-bit DOS version and a 32-bit Windows version.

instruction:

Not related to the .JAR format, which is a Java Archive.

J(JAR Archive) related software:

Windows

1 software

发送 E4710 至公众号 IT小技巧 查看软件名称。
.J

Java Source File

Classification:developer files
Contains program source code written in the Java programming language; may include the source code for a complete program or may be one of many files referenced by a Java programming project.

instruction:

Java source files most often have a .JAVA extension.

J(Java Source File) related software:

Windows

4 software

Mac

4 software

Linux

2 software

发送 E4709 至公众号 IT小技巧 查看软件名称。
.J

JPEG Image

Classification:raster image file
Compressed graphic that uses .JPEG image compression; may contain thousands of colors, which makes it a good format for storing digital photos; can use different levels of compression, but the more compression is used, the lower the quality of the resulting image.

instruction:

Most JPEG files have a .JPG extension.

J(JPEG Image) related software:

Windows

2 software

Linux

2 software

发送 E4711 至公众号 IT小技巧 查看软件名称。