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Here's a loop that would go through the values in your 2D array and print them out. It uses the .length thing.

for (int i = 0; i < grid.length; i++)
{
for (int j = 0; j < grid[i].length; j++)...

Please post the code.


int[] value;
value = new int[1];

System.out.println(value[0]);

That prints 0 despite not being set.