package ThreadTest2; // 線程通信的經典問題：生產者消費者//店員（資源） class Clerk{private int productCount = 0 ;public synchronized void produceProduct() {if(productCount < 100 ) {++productCount;System.out.println(Thread.currentThread().getName()+":開始生產第"+ productCount + "個產品");notify();}else {try {wait();} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}public synchronized void comsumeProduct() {if(productCount > 0) {System.out.println(Thread.currentThread().getName() + ":開始消費第"+productCount + "個產品");productCount--;notify();}else {try {wait();} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}class Producer extends Thread{private Clerk clerk;public Producer(Clerk clerk) {super();this.clerk = clerk;}public void run() {System.out.println( Thread.currentThread().getName()+"：開始生產產品");while(true) {try {this.sleep(10);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}clerk.produceProduct();}}}class Customer extends Thread{private Clerk clerk;public Customer(Clerk clerk) {super();this.clerk = clerk;}public void run() {System.out.println(Thread.currentThread().getName()+":開始消費產品");while(true) {try {this.sleep(1000);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}clerk.comsumeProduct();}}}public class ProductTest {public static void main(String[] args) {Clerk clerk = new Clerk();Customer c1 = new Customer(clerk);c1.setName("消費者1");Producer p1 = new Producer(clerk);p1.setName("生產者1");p1.start();c1.start();} }

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