ECE 3106 Lecture 5: 9.2

3. What will print in the following code snippet? int i = 1; int j = 2; i = j; j = i; System.out.println(i + " " + 1); (A) 22 (B) 21 (C) 11 (D) 3 (E) 12

31. What is printed by the following code in base 2? int sum = 0; for (int x = 0; x< 5; x++) sum+=x; System.out.println(sum); 21 x 21 + 0 x 23+1 22 +1 x 21 +1 x 20

22. What does the following method return when the input array is { 1, 2, 3} ? public static int mystery (int[] array) { int i = 0; int count = 0; while (i <= array.length) { if (array[i] : 2 == 0) { count++; i++; return count; (A) There is a runtime error. (B) 3 (C) There is a compiler error. (D) O (E) 2