To Encrypt a jar file

Hello All,I want to encrypt a jar file. Can it is possible to do that and use the same jar again whereever i need it? If so please help me.How to encrypt a jar file and make it usable again. Thanks in advance..............
[257 byte] By [sureshsarmaa] at [2007-11-27 8:51:03]
# 1
Why do you want to encrypt a jar file?Class files are anyway secured.
achyuthba at 2007-7-12 21:03:33 > top of Java-index,Java Essentials,Java Programming...
# 2
check here. http://forum.java.sun.com/thread.jspa?threadID=451830&messageID=2077514
achyuthba at 2007-7-12 21:03:33 > top of Java-index,Java Essentials,Java Programming...