threadsyndemo.java

JAVA编程思想源代码 值得一下 很难找的

package chapter13;

public class ThreadSynDemo implements Runnable {
	private int n = 10;

	public void run() {
		synchronized (this) { // 将需要同步操作的方法加上同步标志
			for (int i = 0; i < 5; i++) {
				n -= i;
				Thread.yield();
				n += i;
				System.out.println(n);
			}
		}
	}

	public static void main(String args[]) throws Exception {
		ThreadSynDemo apple = new ThreadSynDemo();
		Thread thread1 = new Thread(apple);
		Thread thread2 = new Thread(apple);
		thread1.start();
		thread2.start();
	}
}