A Prototype of Producer-Consumer
发布时间：2025-08-31 21:34:09
作者：益华网络
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摘要：1 Queue.java 1 2 3 4 5 6 7 8
1 Queue.java
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package entity;
import java.util.ArrayList;
import java.util.List;
public class Queue {
private int maxLen;
private List<Integer> list = new ArrayList<Integer>();
public Queue(int maxLen) {
this.maxLen = maxLen;
}
synchronized public void push(Integer value) {
try {
while (list.size() == maxLen) {
this.wait();
}
list.add(value);
this.notifyAll();
System.out.println(Thread.currentThread().getName() +
" push=" + value + ", List=" + list.toString());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
synchronized public Integer pop() {
Integer value = null;
try {
while (list.size() == 0) {
this.wait();
}
value = list.get(0);
list.remove(0);
this.notifyAll();
System.out.println(Thread.currentThread().getName() +
" pop=" + value + ", List=" + list.toString());
} catch (InterruptedException e) {
e.printStackTrace();
}
return value;
}
}
2 Producer.java
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package thread;
import java.util.Random;
import entity.Queue;
public class Producer extends Thread {
private Queue queue;
public Producer(Queue queue) {
this.queue = queue;
}
@Override
public void run() {
while (true) {
Random r = new Random();
int value = r.nextInt(10) + 100;
queue.push(value);
try {
Thread.sleep(r.nextInt(3)*1000);
}catch(Exception e){}
}
}
}
3 Consumer.java
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package thread;
import java.util.Random;
import entity.Queue;
public class Consumer extends Thread {
private Queue queue;
public Consumer(Queue queue) {
this.queue = queue;
}
@Override
public void run() {
while (true) {
queue.pop();
Random r = new Random();
try {
Thread.sleep(r.nextInt(3)*1000);
}catch(Exception e){}
}
}
}
4 Main.java
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package app;
import entity.Queue;
import thread.Consumer;
import thread.Producer;
public class Main {
public static void main(String[] args) throws InterruptedException{
Queue myQueue = new Queue(5); // set the max length of the queue
for (int i=0;i<6;i++) {
new Producer(myQueue).start();
new Consumer(myQueue).start();
}
}
}
5 snapshot of running
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