Which of the following statements doubles the value stored in answer?
A) answer += 2;
B) answer *= 2;
C) answer = answer * 2;
D) All three of the above
E) Both B and C, but not A

Question

Quizplus · Accepted Answer

B and C both effectively double the value stored in "answer" by multiplying it by 2, while A simply adds 2 to the current value, which does not guarantee doubling.

Which of the Following Statements Doubles the Value Stored in Answer