java 实现消费者模型

// 妈妈做面包，最多20个
//大林吃面包
// 小林吃面包
// 锅里最多10个面包
<pre name="code" class="java">package TestPacage;
import java.util.Stack;
public class Brake {
	public static final int MAX_NUM =10;
	public static int Bread_NUM =0;
	Stack<Integer> stack=new Stack<Integer>();
	
	public synchronized void MakeBreak(Integer number){
		stack.push(number);
		Brake.Bread_NUM++;
	}
	
	public synchronized int EatBreak(){
		
		Brake.Bread_NUM--;
		return stack.pop();
	}
	

}

package TestPacage;

public class Kitchen {
	private Brake brake;
	public static int bigLin=0;
	public static int smallLin=0;
	public static int Total_num=20;
	public static int icount=1;
	
	public Kitchen(Brake brake){
		
		this.brake=brake;
		
	}
	
	public synchronized void make(){
		if (Brake.Bread_NUM<Brake.MAX_NUM){
			System.out.println(Thread.currentThread().getName()+"在做"+Kitchen.icount+"面包");
			brake.MakeBreak(Kitchen.icount);
			System.out.println("锅里有"+Brake.Bread_NUM+"个面包");
			Kitchen.icount++;
			notifyAll();
		
		}
		else{
			try{
				wait();
			}catch(Exception e){
				e.printStackTrace();
			}
		}
		
}
 public synchronized void eat(){
	if (Brake.Bread_NUM>0){
		//System.out.println("在吃"+Kitchen.icount+"面包");
		int temp=brake.EatBreak();
		System.out.println(Thread.currentThread().getName()+"在吃"+temp+"面包");
		System.out.println("锅里有"+Brake.Bread_NUM+"个面包");
		//Kitchen.icount--;
		if(Thread.currentThread().getName().equals("大林")){
			bigLin++;
		}else{
			smallLin++;
		}
		notifyAll();
	
	}
	else{
		try{
			wait();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
}

}

package TestPacage;

public class Product implements Runnable {
	private Kitchen kitchen;
	public Product(Kitchen kitchen){
		this.kitchen=kitchen;
	}
public void run(){
	while(true){
		if(Kitchen.icount>Kitchen.Total_num){
			System.out.println(Kitchen.Total_num+"个面包已经做完");
			break;
		}
		try{
			kitchen.make();
			Thread.sleep(100);
			
		}catch(Exception e){
			e.printStackTrace();
		}
	}
}
}

package TestPacage;

public class Consumer implements Runnable{
	
	private Kitchen kitchen;
	
	public Consumer(Kitchen kitchen){
		
		this.kitchen=kitchen;
	}

	public void run(){
		while(true){
			if(Kitchen.icount>Kitchen.Total_num&& Brake.Bread_NUM<=0){
				System.out.println(Kitchen.Total_num+"个面包已经吃完");
				System.out.println("大林吃"+Kitchen.bigLin+"个面包");
				System.out.println("小林吃"+Kitchen.smallLin+"个面包");
				break;
			}
			try{
				kitchen.eat();
				Thread.sleep(1000);
			}catch(Exception e){
				e.printStackTrace();
			}
		}
}
}
package TestPacage;

public class MainTest {
	public static void main(String[] args){
		Brake brake= new Brake();
		Kitchen kitchen =new Kitchen(brake);
		Product p= new Product(kitchen);
		Consumer dl = new Consumer(kitchen);
		Consumer xl = new Consumer(kitchen);
		
		Thread mother =new Thread(p,"妈妈");
		Thread dalin = new Thread(dl,"大林");
		Thread xiaolin = new Thread(xl,"小林");
		mother.start();
		dalin.start();
		xiaolin.start();
		try{
			mother.join();
			dalin.join();
			xiaolin.join();
			
		}catch(Exception e){
			e.printStackTrace();
		}
	}

	
}