Download ASU CSE 110 FINAL JAVA FALL WINTER 2022 FINAL PAPER 2026 COMPLETE SOLUTIONS AND CORRECT AN and more Exams Java Programming in PDF only on Docsity!
ASU CSE 110 FINAL JAVA FALL WINTER
2022 FINAL PAPER 2026 COMPLETE
SOLUTIONS AND CORRECT ANSWERS
GRADED A+
⩥ 22) What will be the output of the following code snippet? boolean token = false; while (token) { System.out.println("Hello"); } a) "Hello" will be displayed infinite times. b) No output because of compilation error. c) No output after successful compilation. d) "Hello" will be displayed only once. Answer: Answer: c) No output after successful compilation. ⩥ 23) What will be the output of the following code snippet? boolean token = false;
do { System.out.println("Hello"); } while (token); a) "Hello" will be displayed infinite times. b) No output because of compilation error. c) No output after successful compilation. d) "Hello" will be displayed only once.. Answer: Answer: d) "Hello" will be displayed only once. ⩥ 24) What is the output of the following code snippet? int i = 1; while (i <= 10) { System.out.println("Inside the while loop"); i = i + 10; } a) No output because of compilation error.
⩥ 26) How many times does the code snippet below display "Hello"? int i = 0; while (i != 15) { System.out.println("Hello"); i++; } a) Infinite times b) 14 times c) 15 times d) 16 times. Answer: Answer: c) 15 times ⩥ 27) How many times does the following loop execute? int upperCaseLetters = 0; String str = "abcdEfghI"; boolean found = false; for (int i = 0; i < str.length() && !found; i++) {
char ch = str.charAt(i); if (Character.isUpperCase(ch)) { found = true; } } a) 9 times b) 8 times c) 5 times d) 1 time. Answer: Answer: c) 5 times ⩥ 28) In the following code snippet, when does the execution of the program switch from the inner loop to the outer loop? int i; int j; for (i = 0; i <= 9; i++) { for (j = 1; j < 5; j++) { System.out.println("Hello");
i = i + 1; } while (x < 2.5); System.out.print(i + " "); a) 1 b) 2 c) 3 d) 4. Answer: Answer: c) 3 ⩥ 30) What will be the range of the random numbers generated by the following code snippet? int r1 = (int) (Math.random() * 50) + 1; a) Between 1 and 49 b) Between 0 and 50 c) Between 0 and 49 d) Between 1 and 50. Answer: Answer: d) Between 1 and 50 ⩥ 31) Which of the following is the correct code snippet for throwing a pair of dice to get a sum of the numbers on two dice between 2 and 12 with different probabilities?
a) (int) (Math.random() * 6 + 1) b) (int) (Math.random() * 12 + 1) c) (int) (Math.random() * 6 + 1) + (int) (Math.random() * 6 + 1) d) (int) (Math.random() * 12 - 2). Answer: Answer: c) (int) (Math.random() * 6 + 1) + (int) (Math.random() * 6 + 1) ⩥ 32) Given the following code snippet, what should we change to have 26 alphabet characters in the string str? String str = ""; for (char c = 'A'; c < 'Z'; c++) { str = str + c; } a) int c = 'A' b) str = c + str; c) c <= 'Z' d) Must change to use a do loop. Answer: Answer: c) c <= 'Z ⩥ 33) What is the output of the code snippet given below?
System.out.print(s.substring(i, i + 1)); } } while (i < 5); a) No output b) No output (infinite loop) c) abcde d) bcde. Answer: Answer: b) No output (infinite loop) ⩥ 35) What is the output of the code snippet given below? String s = "12345"; int i = 1; while (i < 5) { System.out.print(s.substring(i, i + 1)); i++; } a) No output b) 1234
c) 12345 d) 2345. Answer: Answer: d) 2345 ⩥ 36) What is the output of the code snippet given below? String s = "12345"; int i = 1; do { if (i > 1) { System.out.print(s.substring(i, i + 1)); } } while (i < 5); a) No output b) No output (infinite loop) c) 12345 d) 2345. Answer: Answer: b) No output (infinite loop)
int i = 0; int j = 0; while (i < 125) { i = i + 2; j++; } System.out.println(j); a) 0 b) 62 c) 63 d) The code fragment displays no output because it does not compile.. Answer: Answer: c) 63 ⩥ 40) What is the output of the following code snippet? int i = 1; while (i < 20) { System.out.print(i + " "); i = i + 2;
if (i == 15) { i = 19; } } a) 1 3 5 7 9 11 13 15 17 19 b) 1 3 5 7 9 11 13 19 c) 1 3 5 7 9 11 13 15 17 d) 1 3 5 7 9 11 13 17 19. Answer: Answer: b) 1 3 5 7 9 11 13 19 ⩥ 41) What are the values of i and j after the following code snippet is run? int i = 10; int j = 20; int count = 0; while (count < 5) { i = i + i; i = i + 1; j = j - 1;
b) The value of sum is 105 c) The value of sum is 120 d) The value of sum is 136. Answer: Answer: c) The value of sum is 120 ⩥ 43) What is the last output line of the code snippet given below? int i = 0; while (i < 10) { int num = 1; for (int j = i; j > 1; j--) { System.out.print(j + " "); num = num * 2; } System.out.println("***"); i++; } a) 3 2 *** b) 9 8 7 6 5 4 3 2 *** c) 8 7 6 5 4 3 2 *** d) 2 ***. Answer: Answer: b) 9 8 7 6 5 4 3 2 ***
⩥ 44) Which of the following is considered a loop with a bound that could be problematic? a) for (i = 1; i != n; i++) b) for (years = n; years < 0; years--) c) for (i = 1; i <= n; i++) d) for (int i = 1; i <= 10; i++). Answer: Answer: a) for (i = 1; i != n; i++) ⩥ 45) In the __________ loop header, you can include multiple update expressions, separated by commas, but it is not recommended. a) do b) while c) for d) do. Answer: Answer: b) while ⩥ 46) What values does counter variable i assume when this loop executes? for (int i = 20; i >= 2; i = i - 6) { System.out.print(i + ",");
a) stop; b) done = 1; c) exit; d) done = true;. Answer: Answer: d) done = true; ⩥ 48) What is the output of the code snippet given below? String s = "abcdefghijkl"; int i = 1; do { if (i > 2) { System.out.print(s.substring (1, i)); } i++; } while (i < 5);
a) abcd b) bcde c) bcbcd d) cdef. Answer: Answer: c) bcbcd ⩥ 49) What is the output of this code snippet if the user enters the numbers 1 2 3 4 - 1 5? double total = 0; boolean hasValidNumber = true; Scanner in = new Scanner(System.in); while (in.hasNextDouble() && hasValidNumber) { double input = in.nextDouble(); if (input < 0) { hasValidNumber = false; } else { total = total + input; }
