How to view the content of a .jar file?

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A simple method to view the content of a .jar file: firstly rename it in .zip file and open it.

If you want to see the content of java programs compiled as.class, you must use a Java decompiler like JAD: (a program that reconstructs the original source code from the compiled binary .class files).

Note that some .class files are protected by the Code obfuscation and cannot be decompiled.

Create an applet to access the hardrive