3: int m = 9, n = 1, x = 0; 4: while(m > n) { 5: m--; 6: n += 2; 7: x += m + n; 8: } 9: System.out.println(x);
❌ A. 11 ❌ B. 13 ❌ C. 23 ✅ D. 36 ❌ E. 50 ❌ F. The code will not compile because of line 7
Explanation: Prior to the first iteration, m = 9, n = 1, and x = 0. After the iteration of the first loop, m is updated to 8, n to 3, and x to the sum of the new values for m + n, 0 + 11 = 11. After the iteration of the second loop, m is updated to 7, n to 5, and x to the sum of the new values for m + n, 11 + 12 = 23. After the iteration of the third loop, m is updated to 6, n to 7, and x to the sum of the new values for m + n, 23 + 13 = 36. On the fourth iteration of the loop, m > n evaluates to false, as 6 < 7 is not true. The loop ends and the most recent value of x, 36, is output, so the correct answer is option D.
3: int m = 9, n = 1, x = 0; 4: while(m > n) { 5: m--; 6: n += 2; 7: x += m + n; 8: } 9: System.out.println(x);
❌ A. 11 ❌ B. 13 ❌ C. 23 ✅ D. 36 ❌ E. 50 ❌ F. The code will not compile because of line 7
Explanation: Prior to the first iteration, m = 9, n = 1, and x = 0. After the iteration of the first loop, m is updated to 8, n to 3, and x to the sum of the new values for m + n, 0 + 11 = 11. After the iteration of the second loop, m is updated to 7, n to 5, and x to the sum of the new values for m + n, 11 + 12 = 23. After the iteration of the third loop, m is updated to 6, n to 7, and x to the sum of the new values for m + n, 23 + 13 = 36. On the fourth iteration of the loop, m > n evaluates to false, as 6 < 7 is not true. The loop ends and the most recent value of x, 36, is output, so the correct answer is option D.
BY Explanations “Top Java Quiz Questions”
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