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ÏÈÀ´¿´µÚÒ»¶Î´úÂ룬ÕâÀïÎÒÃÇÔÚrun()·½·¨ÖмÓÈëÁËsynchronized¹Ø¼ü×Ö£¬Ï£ÍûÄܶÔrun·½·¨½øÐл¥³â·ÃÎÊ£¬µ«½á¹û²¢²»ÈçÎÒÃÇÏ£ÍûÄÇÑù£¬ÕâÊÇÒòΪÕâÀïsynchronizedËø×¡µÄÊÇthis¶ÔÏ󣬼´µ±Ç°ÔËÐÐÏ̶߳ÔÏó±¾Éí¡£´úÂëÖд´½¨ÁË10¸öỊ̈߳¬¶øÃ¿¸öÏ̶߳¼³ÖÓÐthis¶ÔÏóµÄ¶ÔÏóËø£¬Õâ²»ÄÜʵÏÖÏ̵߳Äͬ²½¡£´úÂëpackage com.vista;
class MyThread implements java.lang.Runnable
{
    private int threadId;
    public MyThread(int id)
    {
        this.threadId = id;
    }
    @Override
    public synchronized void run() 
    {
        for (int i = 0; i < 100; ++i)
        {
            System.out.println("Thread ID: " + this.threadId + " : " + i);
        }
    }
}
public class ThreadDemo
{
    /**
     * @param args
     * @throws InterruptedException 
     */
    public static void main(String[] args) throws InterruptedException
    {
        for (int i = 0; i < 10; ++i)
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