This article shall describe an approach that may be used to extract Jar files. Jars are merely files compressed using zip compression; the primary difference between a standard trash zip file and a jar file is that the jar file includes a manifest; also a true jar files can be run as an executable on a machine equipped with the java runtime. Jars typically contain java class files; if you have some need to extract a jar and view its contents, it is no more difficult to do that than it is to unzip a normal zip file.