Question 19 1 pts Consider the following method. public static int operation(int[][] mat) { int currentVal = mat[0][0]; int result = 0; for (int j = 0; j currentVal) { currentVal = mat[i][k]; result = j: } if (mat[j][k] > currentVal) { currentVal = k; result = mat[i][k]; } Question 20 1 pts Consider the following code segment. int[][] mat = new int[4][6]; for (int r = 0; r 3 + r) { mat[r][c] = 1; } else { mat[r][c] = 0; } Which of the following represents mat after this code segment is executed? c 1 1 1 1 1 1 1 1 0 0 1 1 1 0 0 0 0 1 0 0 0 O 11 1 1 1 1 1 1 1 0 1 1 1 1 0 0 0 1 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 1 1 1ooooo1 Which of the following represents mat after this code segment is executed? 1 1 1 11 1 1 1 OI OI OI OI O 1 1 1 1 1 1 1 1 1 0 1 1 . () 11 1 1 1 1 0 1 1 11 O 1 O 1 1 1 0 0 1 1 1 0 0 0 0 0 0