tg-me.com/topJavaQuizExplain/42
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What is the result of the following code snippet?
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.
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