change of a field

Hello

I'm working on a game of Tic Tac Toe. For the move to cancel feature, I have a stack:
LinkedList<Tuple<Integer, Integer>> stack; //The integers are X and Y coordinates
Now, the cancellation algorithm does not exactly work as expected and I need to debug it. I would like to monitor any changes in the field of battery and each change to print the contents of the stack and tuple variables. How can I achieve that? I need to put in place a kind of Observer pattern?

Thank you
PR.

Aardenon wrote:
Now, the cancellation algorithm does not exactly work as expected and I need to debug it. I would like to monitor any changes in the field of battery and each change to print the contents of the stack and tuple variables. How can I achieve that? I need to put in place a kind of Observer pattern?

Yes. You must change all methods that are able to change this battery, so they have for example will display the contents of the stack when it is called.
There is simply no way to say that 'I want to watch this particular variable' and have the virtual machine do the work for you. That's all for the programmer.

Tags: Java

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