手贱瞎写不要看：生产者消费者-同步问题

package ThreadL;

import java.util.LinkedList;

class Queue extends LinkedList<String>{
    int lenght;
    public Queue(){
        
    }
    
    public Queue(int length){
        this.lenght = length;
    }
    
    public int getLength(){
        return this.lenght;
    }
    
    public String shift(){
        if(!this.isEmpty()){
            return this.remove();
        }else{
            return "空了";
        }
    }
    
    public void push(String ch){
        if(this.size()<=this.lenght){
            this.addLast(ch);
        }
    }
    
    public boolean isFull(){
        if(this.size() == this.lenght){
            return true;
        }else{
            return false;
        }
    }
}
class Depot{
    Queue queue = null;
    public Depot(int length){
        this.queue = new Queue(length);
    }
    static int i = 1;
    public synchronized void produce(String ch){
        this.notify();
        while(this.queue.isFull()){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        this.queue.push(ch);
        System.out.println("生产第	" + (i++) + "	个产品	" + this.queue.getLast());
    }
    public synchronized void consume(){
        this.notify();
        while(this.queue.isEmpty()){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("消耗掉第	" + (--i) + "	个产品	" + this.queue.getFirst());
        this.queue.shift();
    }
}
class Produce implements Runnable{
    Depot depot;
    public Produce(Depot depot){
        this.depot=depot;
    }
    public void run(){
        for(int i=0;i<10;i++){
            this.depot.produce("A");
        }
    }
}
class Consume implements Runnable{
    Depot depot;
    public Consume(Depot depot){
        this.depot= depot;
    }
    public void run(){
        for(int i=0;i<10;i++){
            this.depot.consume();
        }
    }
}
public class Thread10 {
    public static void main(String[] args){
        Depot depot = new Depot(8);
        Thread pro = new Thread(new Produce(depot));
        Thread con = new Thread(new Consume(depot));
        pro.start();
        pro.setName("PRO");
        con.start();
        con.setName("CON");
    }
}