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Then use these statements:
System.out.println("an ID "+ <variable here>);

Try debugging the code by adding println statements that print messages as methods are executed and as the value of variables are changed. The print out should help you find where the looping is. ...

Please explain what the problem is. Post the full text of any error messages.

I have no idea what you are talking about. I don't know junit.

Sorry, I don't have any colored arrows in the software I use.

If you are getting errors, please copy the full text of the error messages and paste it here.