Java-LinkedList围圈的人名

import java.util.*;

public class Example12_7 {

    public static void main(String[] args) {

        int m=5;

        LinkedList<String> list=new LinkedList<String>();

        System.out.printf("输入围圈的人名(共%d)\n",m);

        Scanner scanner =new Scanner(System.in);

        for(int i=1;i<=m;i++) {

            String name=scanner.nextLine();

            list.add(name);

        }

        System.out.printf("\n当前圈中的人：");

        Iterator<String> iter=list.iterator();

        while(iter.hasNext()) {

            String str =iter.next();

            System.out.print(str+" ");

        }

        System.out.printf("\n顺时针数到第3个人,该人从圈中退出：");

        while(list.size()>1) {

            Collections.rotate(list, -2);

            String removedPeople =list.removeFirst();

            System.out.printf("\n"+removedPeople+"从圈中退出.");

            System.out.print("当前圈中的人：");

            iter=list.iterator();

            while(iter.hasNext()) {

                String str =iter.next();

                System.out.print(str+" ");

            }

        }

        System.out.printf("\n圈中最后剩下的是：%s",list.get(0));

        }

    }