约瑟夫环的java实现

package com.timeng;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Yue {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入总人数：");
int totalNum = scanner.nextInt();
System.out.print("请输入报数的大小：");
int cycleNum = scanner.nextInt();
yuesefu(totalNum, cycleNum);
}

public static void yuesefu(int totalNum, int countNum) {
// 初始化人数
List<Integer> start = new ArrayList<Integer>();
for (int i = 1; i <= totalNum; i++) {
start.add(i);
}
//从第K个开始计数
int k = 0;
while (start.size() >0) {
k = k + countNum;
//第m人的索引位置
k = k % (start.size()) - 1;
// 判断是否到队尾
if (k < 0) {
System.out.println(start.get(start.size()-1));
start.remove(start.size() - 1);
k = 0;
} else {
System.out.println(start.get(k));
start.remove(k);
}
}
}
}