EARTHSS 17 Lecture 16: Lec 16

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.

13. Given the following boolean expression: (!a && b) == ! (a || b) And given the following value combinations for a and b: II. a = true, b = true a = true, b = false a = false, b = true a = false, b = false IV. For which of the combinations does the above boolean expression evaluate to true? (A) II and III. (B) I, II, and IV. (C) I and II. (D) II and IV. (E) I and III.

27. Line 2 (A) int fib1 = 1; int fib2 = 1; (B) None of these statements are useful when paired with other questions, leave blank. (C) int n = 100; n-=0; (D) n +=1; (E) int[] = new int [n];