ENEE 380 Lecture 18: 303 (14)

15. Which of the following Java expressions has a value of 0? I. II. III. IV. 1.0/2 (int) 1.0 / 2.0 (int) 1.0 / 2 (int) (1.0 / 2) (A) II and IV. (B) III. (C) II. (D) II, III, and IV. (E) III and IV.

16. Suppose m and n are both int variables with positive values. Which of the following boolean expressions are guaranteed to be equal in value to the expression that follows? (m % n == 0 && n % m == 0) • I. m == • II. ! (m III. ! (m n n) > n) (A) I and III (B) I, II, and III (C) I and II (D) None of the expressions are guaranteed to be the same. (E) I only

9. Select the best choice from the list of choices A-E above for what this program displays. for (int x = 0; x< 100; x = x + 20) { for (int y = x; y < 100; y = y + 20){ rect (x, y, 20, 20); y=**26ve for what this p