| Java archive (jar) A compressed file containing files, filename extension: ".jar". The contains a tool called "jar" for creating .jar files, similar to the standard command. As well as archiving and compressing the Java class files, it also inserts a "manifest" file which can contain information about the class files, such as a . Combining class files into a single archive file makes it possible to download them in a single transaction. This, and the , speeds up execution of Java programs delivered via the . (2001}-02-03) |