ArrayIndexOutOfBoundsException when initializing a 2dimensional array of objectts

Question

I have a very simple question but i can\'t figure out why I\'m having this exception. I\'m trying to create a 2-dimensional Array of objects for a sudoku puzzle, but when I\'m i

Answer 1

Initialize lines before creation of array. Now you creating array with 0x0 dimensions, because lines is 0 be default.

lines = 10; // Add this line   
grid = new Cell[lines][lines];