Question

I have a jar file which is used in html file as applet. I want to modify the content of the jar file and to rebuild the jar file so that the html will work fine with the new jar file. How can i do this??

I already tried unzipping using 7zip nad modified the source and created the new jar. But when i use it in html it shows some java.lang.Classnotfound error

Answer 1

You can unjar or rejar the classes and source files as you wish.

unjar

jar -xvf abc.jar 

jar

jar cf abc.jar input-files

http://docs.oracle.com/javase/tutorial/deployment/jar/build.html