package treecms.proto.test;

import java.util.*;

public class UUIDTest extends Thread
{
	public static void main(String _args[])
	{
		Thread th1 = new UUIDTest();
		Thread th2 = new UUIDTest();
		Thread th3 = new UUIDTest();
		Thread th4 = new UUIDTest();
		
		th1.start();
		th2.start();
		th3.start();
		th4.start();
		
		try {
			th1.join();
			th2.join();
			th3.join();
			th4.join();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public static synchronized UUID getUUID()
	{
		return UUID.randomUUID();
	}
	
	public void run()
	{
		for(int i = 0;i < 3;i ++){
			try{
				//System.out.println(UUID.randomUUID().toString());
				System.out.println(UUIDTest.getUUID());
			}catch(Exception _err){
				_err.printStackTrace();
			}
		}
	}
}