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If you don't have an interactive debugger, the only way to see what your code is doing is by adding printlns. This is a useful skill for programmers to know: how and where to add print outs.
Believe...

What good is giving the OP code? Did you take the time to comment what the problem was, tell the OP how you found the problem and the approach you took to solve it? Or did you just want to...

Try debugging your code by adding printlns to all the methods that you expect to be called to show that they are being called.