i came across decompilation. what is it about.

Question

i know we can decompile bytecodes into source code but is it accurate and which software is used for decompilation.

Answer 1

As u already knw u can't read byte code. let's say u want to see code of a .jar Decompilers comes to help u with that. it's very helpful when u do reverse engineering.
this is just one tool there r more
http://jd.benow.ca

Answer 2

I think any ide can do that, maybe a plugin is required. At least for Eclipse you need to install a plugin.

Answer 3

its accurate,different softwares are needed to decompile different programs.
NOTE :- ONLY source of open source softwares are allowee to be decompiled legally

Answer 4

many different types of programs, such as net reflector for c# or jd-gui for java are available, and understand there is a difference between disassembly (extracting the machine code which is near 100%accurate ) and decompiling (generating psuedocode from the understood machine code, much less accurate unless built from the ground up to be reflected like c#).

Answer 5

another point i want to make is java is only mostly accurate for decompiling, its biggest issues are generic methods, switch case/for loops, and anonymous functions, if none in the code it's pretty much 100% accurate, if it is there's a little work to be done to fully recreate the source code