cnblogs/dcrenl/java 多线程.html

<pre class="language-java"><code>    public  void  main()
    {
        Runnable runnable = new ShareVariableRunnable();
        Thread[] threads = new Thread[3];
        for (int i = 0; i &lt; 3; i++) {
            threads[i] = new Thread(runnable, "RandomThread:" + i);
        }
        for (Thread thread : threads) {
            thread.start();
        }
        while (threads[0].isAlive() || threads[1].isAlive() || threads[2].isAlive()) {
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("线程1、2、3结束");
    }

    class ShareVariableRunnable implements Runnable {

        public int state = 0;
        private int count = 100;
        private int curr = 0;

        @SneakyThrows
        @Override
        public void run() {
            int currThread = 0;
            synchronized (this) {
                currThread = curr;
                curr += 10;

            }
            for (int i = 0; i &lt; 10; i++) {
                Thread.sleep(200);
                System.out.println("" + Thread.currentThread().getName() + ",count:" + currThread++);
            }
            if (curr &lt; count) {
                run();
            } else {
                state = 1;
            }
        }
    }</code></pre>