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));

        }
    }