I'm not sure what your question is. "the" code for JDK 1.3? If that's it, you should be looking on java.sun.com. I didn't know if the 1.3 version is still available, and I don't know what issues they have with releasing the code (I'm sure that's not what you're asking for anyway). So... why do you need specifically version 1.3? Why not 1.5 (current)?