John picks p balls then Jack picks q balls from a bag of n balls. find who picks last and how many they have in hand.

DaoImpl.java

public void get_total_number_from_last_picker(int n, int p, int q) {
        int total_P = 0;
        int p_turns = 0;
        int total_Q = 0;
        int q_turns = 0;
        for (n=n; n>0; n=n-p) {
            n = n - p;
            total_P +=p;
            p_turns++;

            for (n=n; n>0; n=n-q ) {
                n = n - q;
                total_Q += q;
                q_turns++;

            }


        }
        if (p_turns > q_turns) {
            System.out.println("P went last and has " + total_P + "  in hand");
        } else {
            System.out.println("Q went last and has " + total_Q + " in hand");

        }

    }