生产消费模式

import java.util.LinkedList;

public class Main {
    public static void main(String[] args) {
        Product t = new Product(10); // 资源
        new Producer(t).start();
        new Consumer(t).start();
    }
}

class Product {
    private int maxSize;
    private int index;
    private LinkedList<Integer> v;
    public Product(int n) {
        maxSize = n;
        index = 0;
        v = new LinkedList<>();
    }
    synchronized void push()  {
        if (v.size() == maxSize) {
            try {
                wait();
            } catch (Exception e) {}
        }
        System.out.println("生产了第" + (index+1) + "件产品");
        v.add(index);
        index++;
        notify();
    }
    synchronized void pop() {
        if(v.size() == 0) {
            try {
                wait();
            } catch (Exception e) {}
        }
        int tmp = v.pop();
        System.out.println("消费了第" + (tmp+1) + "件产品");
        notify();
    }
}

class Producer extends Thread {
    private Product t;
    public Producer(Product t) {
        this.t = t;
    }
    @Override
    public void run() {
        while(true) {
            t.push();
        }
    }
}

class Consumer extends Thread {
    private Product t;
    public Consumer(Product t) {
        this.t = t;
    }
    @Override
    public void run() {
        while(true) {
            t.pop();
        }
    }
}