Rava/examples/11_TowerOfHanoiStatic.java

public class TowerOfHanoiStatic {
    public static int moveCount = 0;

    public static int hanoi(int n, int from, int to, int aux) {
        if (n == 1) {
            TowerOfHanoiStatic.moveCount = TowerOfHanoiStatic.moveCount + 1;
            return TowerOfHanoiStatic.moveCount;
        }
        hanoi(n - 1, from, aux, to);
        TowerOfHanoiStatic.moveCount = TowerOfHanoiStatic.moveCount + 1;
        hanoi(n - 1, aux, to, from);
        return TowerOfHanoiStatic.moveCount;
    }

    public static int main() {
        TowerOfHanoiStatic.moveCount = 0;
        System.out.println(hanoi(1, 1, 3, 2));

        TowerOfHanoiStatic.moveCount = 0;
        System.out.println(hanoi(2, 1, 3, 2));

        TowerOfHanoiStatic.moveCount = 0;
        System.out.println(hanoi(3, 1, 3, 2));

        TowerOfHanoiStatic.moveCount = 0;
        System.out.println(hanoi(4, 1, 3, 2));

        return 0;
    }
}