一个游戏的JAVA源码,大家一起讨论下!

package com.pip.util.test;    import java.util.ArrayList;  import java.util.List;    class Test {   static int ok = 1;     /**    * 有100个人围成一个圈（编号0-99），从第0号的人开始从1报数， 凡报到3的倍数的人离开圈子，然后再数下去， 直到最后只剩一个人为止，    * 问此人原来的位置是多少号？    */   private void test1() {    int total = 100;    int start = 1;    List list = new ArrayList();    for (int i = 1; i <= 100; i++) {     Person person = new Person(i, "Y");     list.add(person);    }    List tt = list;    while (true) {     tt = doGame(tt);     System.out.println("count num:" + Test.ok);     int tem = tt.size();     if (tem <= 2)      break;    }    for (int i = 0; i < tt.size(); i++) {     Person person = (Person) tt.get(i);     int index = person.getIndex();     System.out.println(index + 1 + "是最后一个留下的人!");    }   }     private List doGame(List list) {    List lists = new ArrayList();    int size = list.size();    int num = size;    if (size == 2) {      }    for (int i = 0; i < size; i++) {     Person person = (Person) list.get(i);     if ("Y".equals(person.getStatus())) {      int count = i + 1;      if (Test.ok % 3 == 0) {       person.setStatus("N");       num--;       System.out.println("index:" + person.getIndex() + "\t 离开");      } else {       lists.add(person);      }     }     if (num == 1) {      break;     }     Test.ok++;    }    return lists;   }     class Person {    int index;    String status;      public Person() {      }      public Person(int index, String status) {     this.index = index;     this.status = status;    }      public int getIndex() {     return index;    }      public void setIndex(int index) {     this.index = index;    }      public String getStatus() {     return status;    }      public void setStatus(String status) {     this.status = status;    }     }     public static void main(String args[]) {    System.out.println("start....");    Test test = new Test();    test.test1();    System.out.println("end!");   }     public static void main1(String[] args) {    int count = 100;    // 剩余人数    int leavings = count;    int[] all = new int[count];    // index人物编号,counter报数    int index = 0, counter = 0;    while (true) {     // 人物对应的值为-1表示出局     if (all[index] != -1) {      all[index] = index + 1;      counter++;     }     if (counter % 3 == 0) {      if (--leavings == 1) {       System.out.println(index);       break;      }      all[index] = -1;     }       index++;     if (index == count - 1) {      index = 0;     }    }   }  }