In C++, the expression sum = sum + 10 can be written as ____.
A) sum =+ 10
B) +sum = 10
C) sum += 10
D) sum = 10+

Question

Quizplus · Accepted Answer

The most efficient way to write the expression sum = sum + 10 in C++ is to use the shorthand assignment operator +=, which combines the addition and assignment operation into a single step. Therefore, sum += 10 is the correct way to write this expression. The += operator is called the "addition assignment operator" and is used to add a certain value to the variable's current value. It is equivalent to writing sum = sum + 10.

In C++, the Expression Sum = Sum + 10 Can