线程经典 生产者消费者 两个完全不…

package sell_ticket;

public class ThreadTicket {

<wbr><wbr><wbr><wbr> public static void main(String[] args) {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> MyThread m = new MyThread();<wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> Thread t1 = new Thread(m);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> Thread t2 = new Thread(m);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> Thread t3 = new Thread(m);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> t1.start();<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> t2.start();<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> t3.start();<br><wbr><wbr><wbr><wbr><wbr><wbr> }<wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><br> }<br><br> class MyThread implements Runnable{<br><wbr><wbr><wbr> private int ticket=100;<br><wbr><wbr><wbr><br><wbr><wbr><wbr><br><wbr><wbr><wbr> public void run(){<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> while(true){<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>try {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>Thread.sleep(1000);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>} catch (InterruptedException e) {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>// TODO Auto-generated catch block<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>e.printStackTrace();<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> }<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>//用synchronized包起来，形成同步代码块,但后来发现用不用其实一样<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>synchronized(this){<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>if(ticket&gt;0){<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>