Description: JAR (Java Archive, Java archive file) is platform-independent file format, which allows many files as a compressed file. Applications for the J2EE JAR file is created EAR file (Enterprise JAR file).
JAR file format to the popular ZIP file format as the basis. The difference is that with the ZIP file, JAR file, not only for compression and release, but also for the deployment and package libraries, components and plug-ins, and can be such as compilers and tools for JVM directly. In the JAR contains special files, such as manifests and deployment descriptors, used to indicate how to handle a particular tool JAR.
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JAR命令详解.doc
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