交替打印

public class test {
 
	int i = 1;
 
	public static void main(String[] args) {
 
		test obj = new test();
		// 使用匿名内部类的形式
		Runnable runnable = new Runnable() {
			@Override
			public void run() {
				while (obj.i < 10) {
 
					synchronized (this) {
						this.notify();
						System.out.println("Thread " + Thread.currentThread().getName() + ":" + obj.i++);
						try {
							Thread.sleep(100); // 休眠100毫秒，放大线程差异
						} catch (InterruptedException e1) {
							e1.printStackTrace();
						}
						try {
							this.wait();
						} catch (InterruptedException e) {
							e.printStackTrace();
						}
					}
				}
			}
		};
 
		new Thread(runnable).start();
		new Thread(runnable).start();
 
	}
}