public class ExMy01MethodFactorialQuestion {

public static void main(String[] args) {
    int a = 5;
    int f = getFctrl(a);
    System.out.println(f);
}

public static int getFctrl(int g) {
    int fctrl = 1;
    for (int i = 1; i <= g; i++) {
        fctrl = fctrl * i;
        return fctrl;
    }
}