Is it possible to get java file from class file

Generate the class file of the above program and use the following command to disassemble the class file. But we do not get the Java source code by using the javap command. So there are many decompilers available which convert a. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week. Java Main Method System.

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Available for FREE! Written By:. What is Decompiler? How to do it? And a decompiled file will have one major bump: no comments! All the comments will be gone. But hopefully you can get back something that will take the place of your lost source file. The first tool for reverse compilation of Java class files was called Mocha. Written by the late HanPeter van Vliet of the Netherlands, this tool showed a generation of early Java hackers that it was possible to decompile Java.

Here is HelloWorld and its decompilation:. Perhaps not as pretty, and with less of the abbreviation that is common practice in Java. The null constructor for HelloWorld actually does exist in the compiled class as you can verify by running javap on it , so Mocha dutifully generates it.