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import java.io.*;
//¶àÏ̱߳à³Ì 
public class MultiThread   

public static void main(String args[]) 

System.out.println("ÎÒÊÇÖ÷Ïß³Ì!"); 
//ÏÂÃæ´´½¨Ïß³ÌʵÀýthread1 
ThreadUseExtends thread1=new ThreadUseExtends(); 
//´´½¨thread2ʱÒÔʵÏÖÁËRunnable½Ó¿ÚµÄTHhreadUseRunnableÀàʵÀýΪ²ÎÊý 
Thread thread2=new Thread(new ThreadUseRunnable(),"SecondThread"); 
thread1.start();//Æô¶¯Ïß³Ìthread1ʹ֮´¦ÓÚ¾ÍÐ÷״̬ 
//thread1.setPriority(6);//ÉèÖÃthread1µÄÓÅÏȼ¶Îª6 
//ÓÅÏȼ¶½«¾ö¶¨cpu¿Õ³öʱ£¬´¦ÓÚ¾ÍÐ÷״̬µÄÏß³ÌË­ÏÈÕ¼Áìcpu¿ªÊ¼ÔËÐР
//ÓÅÏȼ¶·¶Î§1µ½10,MIN_PRIORITY,MAX_PRIORITY,NORM_PAIORITY 
//ÐÂÏ̼̳߳д´½¨ËýµÄ¸¸Ïß³ÌÓÅÏȼ¶,¸¸Ïß³Ìͨ³£ÓÐÆÕͨÓÅÏȼ¶¼´5NORM_PRIORITY 
System.out.println("Ö÷Ï߳̽«¹ÒÆð7Ãë!"); 
try 

Thread.sleep(7000);//Ö÷Ïß³Ì¹ÒÆð7Ãë 

catch (InterruptedException e) 

return; 

System.out.println("Óֻص½ÁËÖ÷Ïß³Ì!"); 
if(thread1.isAlive()) 
{   
thread1.stop();//Èç¹ûthread1»¹´æÔÚÔòɱµôËû 
System.out.println("thread1ÐÝÃß¹ý³¤,Ö÷Ïß³ÌɱµôÁËthread1!"); 

else 
System.out.println("Ö÷Ïß³Ìû·¢ÏÖthread1,thread1ÒÑÐÑ˳ÐòÖ´ÐнáÊøÁË!"); 
thread2.start();//Æô¶¯thread2 
System.out.println("Ö÷Ïß³ÌÓÖ½«¹ÒÆð7Ãë!"); 
try 

Thread.sleep(7000);//Ö÷Ïß³Ì¹ÒÆð7Ãë 

catch (InterruptedException e) 

return; 

System.out.println("Óֻص½ÁËÖ÷Ïß³Ì!"); 
if(thread2.isAlive()) 
{   
thread2.stop();//Èç¹ûthread2»¹´æÔÚÔòɱµôËû 
System.out.println("thread2ÐÝÃß¹ý³¤£¬Ö÷Ïß³ÌɱµôÁËthread2!"); 

else 
System.out.println("Ö÷Ïß³Ìû·¢ÏÖthread2,thread2ÒÑÐÑ˳ÐòÖ´ÐнáÊøÁË!"); 
System.out.println("³ÌÐò½áÊø°´ÈÎÒâ¼ü¼ÌÐø!"); 
try 

System.in.read(); 

catch (IOException e) 

System.out.println(e.toString()); 
}
}//main 
}/


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