title: Java decompiler jd-gui is not working
body: <p>I am extracting source code of an apk file using <a href="https://stackoverflow.com/questions/3593420/android-getting-source-code-from-an-apk-file">SO question</a>.<br>
  I am getting problem with Java decompiler jd-gui, whenever I tried to open code in Java jd-gui, it stopped working.<br>
  Is there any other optional decompiler available? </p>