reimplementation of zlib in pure Java

 JZlib is a pure Java implementation of ZLib (see RFC-1950 and RFC-1951).
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 It supports all compression level and all flushing mode of ZLib and
 it can inflate and deflate exactly like ZLib does.
 It provide much more flexibility over 'java.util.zip.*' included in
 Java Platform API.
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 JZlib is licensed under a BSD style license.