Definitions for "JAR file"
Keywords:  zip, archive, applet, java, compress
A jar file contains one or more other files. The jar file format is similar to the .zip file format. It is usually used to contain multiple Java class files, image files, and other information needed to bundle a Java application.
a compressed file containing the component files needed to run an applet
a compressed ZIP file that has an additional manifest file that lists the contents of the archive