1 package cn.arraylist.com; 2  3 import java.util.ArrayList; 4 import java.util.Iterator; 5  6 public class ArrayListDemo2 { 7  8     public static void main(String[] args) { 9         // TODO Auto-generated method stub10         ArrayList arraylist = new ArrayList();11         arraylist.add("li");12         arraylist.add("liu");13         arraylist.add("huang");14         arraylist.add("li");15         arraylist.add("huang");16 17         // 排序的方法去重复18         for (int x = 0; x < arraylist.size() - 1; x++) {
   // 当索引值x=0,依次和内循环进行对比,x=0的时候19             for (int y = x + 1; y < arraylist.size(); y++) {
   // y=x+1,每次x对比都从后面一个索引开始进行20                 if (arraylist.get(x).equals(arraylist.get(y))) {
   // 获取到x和y的值进行对比21                     arraylist.remove(y);22                 }23             }24         }25         // 迭代器26         Iterator it = arraylist.iterator();27         String[] ss = {};28         while (it.hasNext()) {29             String s = (String) it.next();30             System.out.println(s);31 32         }33 34     }35 36 }