I am running a java based game on netbeans . How do I figure out the data flow in it?

How do I开发者_开发百科 inspect the data flow when I run the game in netbeans IDE so that I can make changes to the code to play with the data ?

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You can debug your application line by line. By pressing F7 key.

More info http://netbeans.org/features/java/debugger.html

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You could log the crucial steps and data and then examine the log file against your source. Netbeans IDE comes with a magnificent debugger. It will show you exactly how your program runs and displays the values of your variables in tooltips.