Java Question Simple Library Compiler

[Johan Schoeman]

Sometime when I try to peek into a Jar file it seems to be "empty" I.e cannot see the code. Is there a way to do it when compiling a library with SLC?

 

[DonManfred]

You want to have an empty jar when compiling with SLC?
Or what exactly is the question; seems like i did not understand

 

[Johan Schoeman]

You want to have an empty jar when compiling with SLC?
Or what exactly is the question; seems like i did not understand

Sometimes I find jars that can be opened with for eg jd-gui.exe but you cannot see the code at all. But the jar does work although you can see nothing with the jar viewer....

 

[Johan Schoeman]

Wow - bad typo above from my ipad. Fixed the response in post #3 above for clarity purposes

 

[DonManfred]

try to rename the ar to .zip to have a look into it without using a decompiler.... I mean on the problematic ones.

 

[moster67]

You mean en empty one, no class names etc? Never seen that...
Or do you mean an illegible one? If you mean the latter, then the library has probably been obfuscated with ProGuard

 

[MarcoRome]

Maybe is a bug in jd-gui. Try this tool ( HERE ).
Do you have same result ?

 

[Johan Schoeman]

You mean en empty one, no class names etc? Never seen that...
Or do you mean an illegible one? If you mean the latter, then the library has probably been obfuscated with ProGuard

Nothing to be seen....No class names and no "visible code"

 

[Erel]

The jar file, which is a regular zip file, must include class files. The class files cannot be hidden. Try to use 7zip to open the jar.