class Producer extends Thread{
Panel pan = null;
Consumer c = null;
public Producer(Panel pan, Consumer c){
this.pan = pan;
this.c = c;
}
public void run(){
synchronized(c){
int count = 0;
//青年人网站提示: 生产者一共要生产100个桔子
while(count++ < 100){
if(!pan.isBlank){
try{c.wait();}catch(Exception ex){ex.printStackTrace();}
}
int orgWeight = (int)(Math.random() * 100);
Orange org = new Orange(orgWeight, "red");
pan.putOrange(org);
c.notify();
}
}
}
}
class Consumer extends Thread{
Panel pan;
public Consumer(Panel pan){
this.pan = pan;
}
public void run(){
synchronized(this){
while(true){
if(pan.isBlank){
try{wait();}catch(Exception ex){ex.printStackTrace();}
}
pan.getOrange();
notify();
}
}
}
}
class Orange{
int weight;
String color;
public Orange(int weight, String color){
this.weight = weight;
this.color = color;
}
public String toString(){
return "Orange, weight = " + weight + ", color = " + color;
}
}
class Panel{
public boolean isBlank = true;
private Orange org;
public void putOrange(Orange org){
this.org = org;
isBlank = false;
System.out.println("I put: " + org.toString());
}
public Orange getOrange(){
System.out.println("I get: " + org.toString());
isBlank = true;
return org;
}
}
责任编辑：小草
