java 遍历arrayList的四种方法_poppy_新浪博客

package com.test;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

public class ArrayListDemo {

    public

static void main(String args[]){

       

List<String> list = new

ArrayList<String>();

       

list.add(“luojiahui”);

       

list.add(“luojiafeng”);

       

//方法1

       

Iterator it1 = list.iterator();

       

while(it1.hasNext()){

           

System.out.println(it1.next());

       

}

       

//方法2

       

for(Iterator it2 = list.iterator();it2.hasNext();){

            

System.out.println(it2.next());

       

}

       

//方法3

       

for(String tmp:list){

           

System.out.println(tmp);

       

}

       

//方法4

       

for(int i = 0;i < list.size(); i ++){

           

System.out.println(list.get(i));

       

}

    }

}

来源URL：http://blog.sina.com.cn/s/blog_6d3740cd0100mz5n.html