java - How to update .class file into existing .jar file? -

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have 1 ".class" file , want update(add) new changes existing ".jar" file. how in "cmd" prompt(windows os) , steps should follow steps?

i assume jar file must quite large , hence trying avoid recreating via ant/maven.

if using java 7, visit link : zip file system provider ,

which treats zip or jar file file system , allows update jar, though it's not via command line.


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