Consider an 8x8 array for a board game:

int[][]board = new int[8][8];

Using two nested loops, initialize the board so that zeros and ones alternate as on a checkboard:

0 1 0 1 0 1 0 1

1 0 1 0 1 0 1 0

0 1 0 1 0 1 0 1

....

1 0 1 0 1 0 1 0

HINT: Check whether i + j is even