Example Code Ch 12-1
Given the following recursive method:
public int question1_2(int x, int y)
{
if (x == y) return 0;
else return question1_2(x-1, y) + 1;
}
-Refer to Example Code Ch 12-1: If the method is called as question1_2(8, 3), what is returned?
A) 11
B) 8
C) 5
D) 3
E) 24

Question

Quizplus · Accepted Answer

When the method is called question1_2(8,3), it will perform the following recursive calls:
question1_2(7,3) + 1
question1_2(6,3) + 1
question1_2(5,3) + 1
question1_2(4,3) + 1
question1_2(3,3) + 1
Since x == y when x = 3, the method returns 0 and the recursion stops.
Therefore, the final result is: 1+1+1+1+0 = 4. 
Adding the original invocation of the method, the answer is 4+1= 5. 
Therefore, the correct answer is C.