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Ò»ÖÖÊǼ̳Ð×ÔThreadÀà.Thread ÀàÊÇÒ»¸ö¾ßÌåµÄÀ࣬¼´²»ÊdzéÏóÀ࣬¸ÃÀà·â×°ÁËÏ̵߳ÄÐÐΪ¡£Òª´´½¨Ò»¸öỊ̈߳¬³ÌÐòÔ±±ØÐë´´½¨Ò»¸ö´Ó Thread Àർ³öµÄÐÂÀà¡£³ÌÐòԱͨ¹ý¸²¸Ç Thread µÄ run() º¯ÊýÀ´Íê³ÉÓÐÓõŤ×÷¡£Óû§²¢²»Ö±½Óµ÷Óô˺¯Êý£»¶øÊÇͨ¹ýµ÷Óà Thread µÄ start() º¯Êý£¬¸Ãº¯ÊýÔÙµ÷Óà run()¡£
   
    ÀýÈç:
    public class Test extends Thread{
      public Test(){
      }
      public static void main(String args[]){
        Test t1 = new Test();
        Test t2 = new Test();
        t1.start();
        t2.start();
      }
      public void run(){
        //do thread's things
      }
    }
    
    ÁíÒ»ÖÖÊÇʵÏÖRunnable½Ó¿Ú,´Ë½Ó¿ÚÖ»ÓÐÒ»¸öº¯Êý£¬run()£¬´Ëº¯Êý±ØÐëÓÉʵÏÖÁ˴˽ӿڵÄÀàʵÏÖ¡£
   
    ÀýÈç:
    public class Test implements Runnable{
      Thread thread1;
      Thread thread2;
      public Test(){
        thread1 = new Thread(this,"1");
        thread2 = new Thread(this,"2");
      }
      public static void main(String args[]){
        Test t = new Test();
        t.startThreads();
      }
      public void run(){
        //do thread's things
      }
      public void startThreads(){
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