package com.hlss; 

import java.util.ArrayList; 
import java.util.Collections; 
import java.util.List; 

/** 
* 类描述：多线程处理List 
* @author Calvin Wu 
*/ 
public class MultiThread { 

	// 用Collections.synchronizedList让list线程安全 
	public final static List<Long> list = Collections.synchronizedList(new ArrayList<Long>()); 
	
	public static void main(String[] args) { 
		// 为List添加100个数据 
		for (int i = 1; i <= 100; i++) { 
		list.add(Long.valueOf(i)); 
		} 
		
		MyThread myThread = new MyThread(); 
		// 开启四个线程处理list数据 
		Thread t1 = new Thread(myThread); 
		t1.setName("线程1"); 
		t1.start(); 
		
		Thread t2 = new Thread(myThread); 
		t2.setName("线程2"); 
		t2.start(); 
		
		Thread t3 = new Thread(myThread); 
		t3.setName("线程3"); 
		t3.start(); 
		
		Thread t4 = new Thread(myThread); 
		t4.setName("线程4"); 
		t4.start(); 
	} 

} 



******************************************************************** 



package com.hlss; 

import java.util.List; 

public class MyThread implements Runnable { 

	private final List<Long> list = MultiThread.list; 
	
	@Override 
		public void run() { 
			for (int i = 0; i < list.size();) { 
				// 同步list，打印数据并删除该数据 
				synchronized (list) { 
				try { 
					//当前线程睡眠，让其它线程获得执行机会 
					Thread.sleep(100); 
				} catch (InterruptedException e) { 
					
				} 
							System.out.println(Thread.currentThread().getName() + ":" + list.get(i)); 
				list.remove(i); 
			} 
		} 
	} 
} 



******************************************************************** 

运行结果： 

线程1:1 
线程1:2 
线程1:3 
线程4:4 
线程4:5 
线程4:6 
线程4:7 
线程3:8 
线程2:9 
线程2:10 
线程4:11 
线程4:12 
线程1:13 
线程2:14 
线程3:15 
线程3:16 
线程3:17 
线程3:18 
线程3:19 
线程3:20 
线程3:21 
线程3:22 
线程3:23 
线程3:24 
线程3:25 
线程3:26 
线程3:27 
线程1:28 
线程4:29 
线程4:30 
线程3:31 
线程2:32 
线程2:33 
线程2:34 
线程2:35 
线程4:36 
线程4:37 
线程1:38 
线程2:39 
线程3:40 
线程3:41 
线程1:42 
线程1:43 
线程1:44 
线程1:45 
线程4:46 
线程3:47 
线程3:48 
线程2:49 
线程2:50 
线程4:51 
线程1:52 
线程2:53 
线程3:54 
线程1:55 
线程1:56 
线程4:57 
线程4:58 
线程3:59 
线程2:60 
线程2:61 
线程2:62 
线程2:63 
线程4:64 
线程4:65 
线程4:66 
线程1:67 
线程2:68 
线程2:69 
线程3:70 
线程3:71 
线程3:72 
线程1:73 
线程1:74 
线程4:75 
线程3:76 
线程3:77 
线程2:78 
线程2:79 
线程2:80 
线程2:81 
线程2:82 
线程4:83 
线程4:84 
线程4:85 
线程4:86 
线程4:87 
线程4:88 
线程4:89 
线程4:90 
线程4:91 
线程4:92 
线程4:93 
线程4:94 
线程4:95 
线程4:96 
线程1:97 
线程1:98 
线程2:99 
线程3:100