Zip/unzip API for both Windows/Linux

hello, there:
I wonder if it's possible that we can create a zip/unzip class that can package the files in Windows and unzip them in Linux?
Fact is, that I created a Swing application, which shows a tree of a certain folder. Upon request, the app also zip that folder(including it's subs) and upload it to a remote database as a SQL blob. Well, I want this app to work on both Windows/Linux, meaning when it runs on Linux, it should be able to download the package and unzip the package to its full extend.
But it looks like that the files zipped in one OS can't be easily unzipped to its original in another. Is it doable or not possible due to the very different nature of the file systems of different platform?
I used a open source code from this link, http://www.wakhok.ac.jp/~tatsuo/sen97/10shuu/UnZip.java.html
Will the zip package from jdk help (java.util.zip)? I haven't tried that one yet.
Thanks,
Sway

You don't have to use special libraries as the tools you need are all in the java.util package.
There is however an Apache Commons library for this though which you can find here
http://commons.apache.org/sandbox/compress/
Note that zip = archiving and compression where as gz or gzip on Linux is only compression and you would use tar to do the archiving (tar.gz), that's why there are two separate compression classes in the Java API.

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