I\'m afraid that the answer is no, but maybe one of you surprises me.
Thanks.
Edit 1: I\'m aware that the question doesn\'t make much sens
I don't think so. When the .java is compiled it becomes a .class; as far as I know Java doesn't have a built-in decompiler to turn that .class back into a .java. All that a runnable application knows about is .class files.
.java
.class