JAR (file Format)
In software, JAR (Java ARchive) is an archive file format typically used to aggregate many Java class files and associated metadata and resources (text, images and so on) into one file to distribute application software or libraries on the Java platform.
JAR files are built on the ZIP file format and have the
.jar file extension. Computer users can create or extract JAR files using the
jar command that comes with a JDK. They can also use
zip tools to do so; however, the order of entries in the zip file headers is important when compressing, as the manifest often needs to be first.
... Several related file formatsbuild on the JARformat WAR Web application archive)files,also Java archives,store XML files Java classes,JavaServer Pages and other objects for Web Applications ... RAR resource adapter archive)files not to be confused with the RAR file format,also Java archives,store XML files Java classes and other objects for ... EAR enterprise archive)files provide composite Java archives which combine XML files Java classes and other objects including JAR WAR and RAR ...
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