Suppose that sum and num are int variables and sum = 5 and num = 10.After the statement sum += num executes, ____.
A) sum = 0
B) sum = 5
C) sum = 10
D) sum = 15

Question

Quizplus · Accepted Answer

The statement sum += num is equivalent to sum = sum + num. Therefore, after this statement executes, the value of sum will be 15 (the original value of sum, which is 5, plus the value of num, which is 10). Thus, the answer is D, sum = 15.

Suppose That Sum and Num Are Int Variables and Sum