java - Is .jar archive not anymore useful if I need to apply a patch to a library? -

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i've downloaded lucene jar file. i'm including in classpath run lucene application.

however, need apply patch. should download lucene sources, apply patch , compile.. right ? cannot use anymore jar...

thanks

ps. need know how apply patches in java actually... what's command terminal ?

there may alternative approaches, creating new jar file best bet, imo. it'll lot harder mess subtle issues providing second jar file take priority some classes, etc.


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