学步园

public class TowerOfHanoi {
    public static void main(String[] args) {
        System.out.print("Enter number of disks: ");
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();

        TowerOfHanoi toh = new TowerOfHanoi();
        System.out.println("The move are:");
        toh.moveDisks(n, 'A', 'B', 'C');
    }

    private void moveDisks(int n, char fromTower, char toTower, char auxTower) {
        if(n == 1) {
            System.out.println("Move disks " + n + " from " + fromTower + " to " + toTower);
        }
        else {
            moveDisks(n - 1, fromTower, auxTower, toTower);      // 借助塔 B 将前 n - 1 个盘子从 A 移到 C
            System.out.println("Move disks " + n + " from " + fromTower + " to " + toTower);	//将盘子 n 从 A 移到 B
            moveDisks(n - 1, auxTower, toTower, fromTower);     //借助塔 A 将 n - 1 个盘子从 C 移到 B
        }
    }
}