How to create password protected zip in java?

I want to create a password protected zip file in java...java.util.zip does not support this...how to do this???
Someone please help...

Thanks for Reply"[email protected]"
Till today whatever i got is this------
In java there is no way to make a password protected zip...java.util.zip package does not support this thing...
To do this we require Third party API---
Two third party Api i got...
one is "CHILKAT API for java"
and another one is "IPWORKS"http://www.componentsource.com/products/ipworks-zip-java-desktop/index.html
but both of these API are paid...
Even this problem has been reportd as bug in the bug database....
And the other way is related with Class Process Builder of java...
If someone knows more about this then tell me...

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