模拟：小孩在睡觉，醒来后给小孩喂奶
方式一：父亲监控小孩，小孩一醒就喂奶
/**
* 模拟小孩睡觉，醒来后喂奶
*
*/
class Dad implements Runnable{
private Child c;
public Dad(Child c){
this.c=c;
}
private void feed(){
System.out.println("给小孩喂奶。。。");
}
@Override
public void run()
{
while(!c.isWakeUp()){
try
{
System.out.println("还没醒。。。");
Thread.sleep(1000);
} catch (InterruptedException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
feed();
}
}
class Child implements Runnable{
private boolean isWakeUp=false;
void wakeUp(){
isWakeUp=true;
System.out.println("小孩醒来了。。。。。。");
}
public boolean isWakeUp()
{
return isWakeUp;
}
public void setWakeUp(boolean isWakeUp)
{
this.isWakeUp = isWakeUp;
}
@Override
public void run()
{
try
{
Thread.sleep(5000);
} catch (InterruptedException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
wakeUp();
}
}
public class Test
{
public static void main(String[] args){
Child c=new Child();
new Thread(c).start();
new Thread(new Dad(c)).start();
}
}方式二：小孩醒了，叫爸爸喂奶
class Dad {
void feed(){
System.out.println("给小孩喂奶。。。");
}
}
class Child implements Runnable{
private Dad dad;
public Child(Dad dad){
this.dad=dad;
}
void wakeUp(){
System.out.println("小孩醒来了，喊爸爸喂奶。。。");
dad.feed();
}
@Override
public void run()
{
try
{
Thread.sleep(5000);
} catch (InterruptedException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
wakeUp();
}
}
public class Test
{
public static void main(String[] args){
Dad d=new Dad();
new Thread(new Child(d)).start();
}
}