| 36 | } |
| 37 | |
| 38 | private static boolean isSquare(int[][] matrix, int row, int col, int size) { |
| 39 | // Check top and bottom border. |
| 40 | for (int j = 0; j < size; j++){ |
| 41 | if (matrix[row][col+j] == 1) { |
| 42 | return false; |
| 43 | } |
| 44 | if (matrix[row+size-1][col+j] == 1) { |
| 45 | return false; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | // Check left and right border. |
| 50 | for (int i = 1; i < size - 1; i++) { |
| 51 | if (matrix[row+i][col] == 1){ |
| 52 | return false; |
| 53 | } |
| 54 | if (matrix[row+i][col+size-1] == 1) { |
| 55 | return false; |
| 56 | } |
| 57 | } |
| 58 | return true; |
| 59 | } |
| 60 | |
| 61 | public static void main(String[] args) { |
| 62 | int[][] matrix = AssortedMethods.randomMatrix(7, 7, 0, 1); |