convert .class file/s to .java file/s of .jar file

how can i convert?? .class file to开发者_如何学运维 .java file/s to see source code of .jar file (which is mobile app on midp 2.0)

how can i convert ?

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I would suggest using a decompiler such as JAD. However, if the code has been obfuscated, this may not be very useful.

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Use a Java decompiler like this.

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Adding to the previous answers: recently, a new wave of decompilers is coming, namely Procyon, CFR, JD, Fernflower

Here's a list of decompilers as of 2015:

• Procyon
• CFR
• JD
• Fernflower

You may test above mention decompilers online, no installation required and make your own educated choice. Modern java decompilers in the cloud: http://www.javadecompilers.com/