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Updating a JAR File
At times, requirement to update an already-delivered JAR file will need to be handled. Of course, JAR file is a way of packaging and delivering Java class file and related metadata files in a package. But having an easier way is always welcome by the developer group.
The following command, when executed on a command line, will update a JAR file with 1 or more files as needed:
jar uf jar-file input-file-name(s) where uf : indicates update and file jar-file : the jar file that needs to be updated input-file-name(s) : the name of file(s) that needs to be updated in the jar file.
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