/**
* @param args
* 等待唤醒机制
*/
public static void main(String[] args) {
final Printer p = new Printer();
new Thread() {
public void run() {
while(true) {
try {
p.print1();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}.start();
new Thread() {
public void run() {
while(true) {
try {
p.print2();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}.start();
}
}
//等待唤醒机制
class Printer {
private int flag = 1;
public void print1() throws InterruptedException {
synchronized(this) {
if(flag != 1) {
this.wait(); //当前线程等待
}
System.out.print("白");
System.out.print("日");
System.out.print("一");
System.out.print("山");
System.out.print("过");
System.out.print("\r\n");
flag = 2;
this.notify(); //随机唤醒单个等待的线程
}
}
public void print2() throws InterruptedException {
synchronized(this) {
if(flag != 2) {
this.wait();
}
System.out.print("黄");
System.out.print("河");
System.out.print("入");
System.out.print("海");
System.out.print("流");
System.out.print("\r\n");
flag = 1;
this.notify();
}
}原文：http://blog.51cto.com/357712148/2158222