Code Analysis of consumer problems in Java

Source: Internet
Author: User
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1. Resources

public class Resource {//The number of current resources int num = 0;    Upper limit of current resource int size = 10;                Consumer resources public synchronized void remove () {//If num is 0, there is no resource, you need to wait while (num = 0) {try {                SYSTEM.OUT.PRINTLN ("Consumer enters Wait");            This.wait ();            } catch (Interruptedexception e) {e.printstacktrace ();        }}//If the thread can execute here, it indicates that resources have resources to consume num--;        SYSTEM.OUT.PRINTLN ("Consumer thread:" + thread.currentthread (). GetName () + "--Number of resources:" + num);    This.notifyall ();                }//Production resource public synchronized void put () {//If the resource is full, it enters the blocking state while (num = = size) {try {                System.out.println ("producer enters Wait");            This.wait ();            } catch (Interruptedexception e) {e.printstacktrace ();        }} num++;        System.out.println ("Producer Thread:" + thread.currentthread (). GetName () + "--Number of resources:" + num);    This.notifyall (); }}

2. Consumers

public class Consumer implements Runnable {    private Resource Resource;    Public Consumer (Resource Resource) {        this.resource = Resource;    }    @Override public    Void Run () {        while (true) {            resource.remove ()}        }    }

3. Producers

public class Producer implements Runnable {    private Resource Resource;    Public Producer (Resource Resource) {        this.resource=resource;    }    @Override public    Void Run () {        while (true) {            resource.put ()}        }    }

4. Testing

public class Testconsumerandproducer {public    static void Main (string[] args) {        Resource Resource = new Resource () ;        Production line        Producer p1 = new Producer (resource);        Consumer thread        Consumer c1 = new Consumer (resource);        New Thread (p1). Start ();        New Thread (C1). Start ();    }}

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