How to convert .class file to .java file?

Question

I am trying to convert a .class file to .java. I have only the .class file. I used jad, but I'm getting error as:

 The class file version is 49.0( only 45.3, 46 and 47 are supported)  JavaClassFileParseException.

How do I resolve this issue? Kindly provide your valuable inputs.

The Simple way to do is using: SeeMyCode

Solution

use Java Decompiler http://jd.benow.ca/ in it you can open jar, or .class and it will converted to java source.