Output is 11. But I didn't understand how. Plz explain..

Question

public static int giveAns (int a, int) {
int c = a ;
for ( c=a ; c<b ; c++ ) {
c += c ; }
return c;
}

Answer 1

No output

Answer 2

This is a function, would not output value alone.

Answer 3

Oh yea function.. ri8
but whats output...?