Question: data is declared private with private boolean [][] data I call setSize dereferenced through an object object.setSize(6,9). Why do I get a null pointer exception

data is declared private with private boolean [][] data

I call setSize dereferenced through an object object.setSize(6,9).

Why do I get a null pointer exception with this?

data is declared private with private boolean [][] data I call setSize

public boolean setSize(int width, int height) if (validateSize (width, height) true) for (int i=0; i

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