直播软件开发，synchronized关键字

直播软件开发，synchronized关键字

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public class Test {<br> <br>    public static void main(String[] args) {<br>        Count obj = new Count();//only one object<br>        MyThread1 t1 = new MyThread1(obj);<br>        MyThread2 t2 = new MyThread2(obj);<br>        t1.start();<br>        t2.start();<br>    }<br>}<br> <br>class MyThread2 extends Thread {<br>    Count c;<br> <br>    MyThread2(Count c) {<br>        this.c = c;<br>    }<br> <br>    public void run() {<br>        c.printTable(100);<br>    }<br>}<br> <br>class MyThread1 extends Thread {<br>    Count c;<br> <br>    MyThread1(Count c) {<br>        this.c = c;<br>    }<br> <br>    public void run() {<br>        c.printTable(5);<br>    }<br> <br> <br>}<br> <br>class Count {<br>    //加和不加的打印区别<br>    public synchronized void printTable(int n) {<br>        for (int i = 1; i <= 5; i++) {<br>            System.out.println(n * i);<br>            try {<br>                //睡眠四秒<br>                Thread.sleep(400);<br>            } catch (Exception e) {<br>                System.out.println(e);<br>            }<br>        }<br> <br>    }<br>}

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