What is the output of the following segment code after calling the function/method display ?

Question

void disp ( ) {
int i=10;
duplicate ( i );
output(i);
}
static void duplicate (int i) {
i=i*2;
}

Answer 1

The outpput will be 10. You are passing the parameter by values and not by reference. Hence the value of i will be unchanged from where you are calling the function.

Answer 2

20