COE 768 Final: COE 768 Sample Final Solutions

38. Imagine we have the following configuration in an instance of graph: If the node 0 is at position 0 in the graph, and we print its content, what would be printed into the console, e.g. System.out.println (graph[0]);?. N.B. The ordering of Nodes written after connected to: is unimportant. (A) 3 is connected to: (B) 1 is connected to: (C) O is connected to: (D) O is connected to: (E) 0 is connected to: 0, 1, 2, 3, 4, 0, 3 1, 3, , 1, 3

15. What will the following method print when the input number n has value 5 public static void mystery (int n) { for (int i = -1; i < n; System.out.print (i + " ")) { i++; (A) 0 1 2 3 4 5 (B) 01234 (C) -1 0 1 2 3 4 5 (D) -101234 (E) The code does not compile.

21. What prints in the following question. int[] [] x = { { 1, 2, 3} , {4, 5}, {6, 7}}; x[0] = new int [4]; System.out.println(x.length); (A) 3 (B) 8 (C) 7 (D) There is a compiler error. (E) 2