JarSearchAndReplace
 

JarSearchAndReplace:
- Dissasmble whole jar archive or specified class
- Search and Replace: replace instructions or hex bytes; instruction in similar format the way you see it when you decompile classes

Compiled jar archive and source code NetBeans for java.

thanks , and have mirror link ?

He has also uploaded on tuts4you and a ton of other places :)

Here, for example :

PR is the key power of XXII century! :)

used this to patch some apps working nice

It is very useful to use for patching a Jar file now, thanks.