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void join(long millis)    
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void join(long millis, int nanos)    
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/**
* JavaỊ̈߳ºÏ̵߳ĵ÷¶È-ºÏ²¢
*
* @author leizhimin 2009-11-4 9:02:40
*/
public class Test {
        public static void main(String[] args) {
                Thread t1 = new MyThread1();
                t1.start();
                for (int i = 0; i < 20; i++) {
                        System.out.println("Ö÷Ï̵߳Ú" + i + "´ÎÖ´ÐУ¡");
                        if (i > 2) try {
                                //t1Ï̺߳ϲ¢µ½Ö÷Ïß³ÌÖУ¬Ö÷Ïß³ÌÍ£Ö¹Ö´Ðйý³Ì£¬×ª¶øÖ´ÐÐt1Ị̈߳¬Ö±µ½t1Ö´ÐÐÍê±Ïºó¼ÌÐø¡£
                                t1.j


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