Need help

Question

What is returned as a result of calling mystery(1)?
public static int mystery (int x) {
if (x == 5){
return x;
} else {
return mystery(x--) * 5;
}
}
1=StackOverFlowError
2=25
3=nothing
5=5

Answer 1

Run the code and find out!

Answer 2

It is a stack overflow as post increment is used, calling mystery(1) over and over, again and again.

Answer 3

The correct answer is 1 = StackOverFlowError