编辑代码

package com.company;

public class Hanoi {
    public static void main(String[] args) {
        hanoi(4,'A','B','C');
    }
    public static void hanoi(int n,char a,char b,char c){
        if (n==1)
            System.out.println("move "+a+" to "+c);
        else{
            hanoi(n-1,a,c,b);
            System.out.println("move "+a+" to "+c);
            hanoi(n-1,b,a,c);
        }
    }
}