package Thread;

import javax.xml.bind.ValidationEvent;

class snacks{
?? ?private int? SaledSnacks=0;
?? ?private int? TotalSnacksNum=10; //初始化小吃店開始有10個面包
?? ?private int? TOTALtimeOFSALE=0;
?? ?public synchronized boolean salesnacks() {
?? ??? ?if (TotalSnacksNum>0) {
?? ??? ??? ?SaledSnacks++;
?? ??? ??? ?TotalSnacksNum--;
?? ??? ??? ?TOTALtimeOFSALE++;
?? ??? ??? ?System.out.println(Thread.currentThread().getName()+"賣出一個面包");
?? ??? ??? ?return true;
?? ??? ?}else {
?? ??? ??? ?System.out.println("目前已經賣完了，需要等會兒才有");
?? ??? ??? ?return false;
?? ??? ?}
?? ?}
?? ?public synchronized boolean makesnacks() {
?? ??? ??? ?TotalSnacksNum++;
?? ??? ??? ?TOTALtimeOFSALE+=3;
?? ??? ??? ?System.out.println(Thread.currentThread().getName()+"做出一個面包");
?? ??? ??? ?return true;
?? ?}
}
class SaleSnacks extends Thread{
?? ?private snacks Snacks=new snacks();
?? ?public SaleSnacks(String name,snacks s) {
?? ??? ?super(name);
?? ??? ?Snacks=s;
?? ?}

?? ?public void Validation() {
?? ??? ?while(Snacks.salesnacks()) {
?? ??? ??? ?try {
?? ??? ??? ??? ?Thread.sleep(1000);
?? ??? ??? ?} catch (InterruptedException e) {
?? ??? ??? ?}?? ?
?? ??? ?}
?? ??? ??? ?if (!Snacks.salesnacks()) {
?? ??? ??? ??? ?try {
?? ??? ??? ??? ??? ?Thread.sleep(5000);
?? ??? ??? ??? ??? ?while(Snacks.salesnacks()) {
?? ??? ??? ??? ??? ??? ?try {
?? ??? ??? ??? ??? ??? ??? ?Thread.sleep(1000);
?? ??? ??? ??? ??? ??? ?} catch (InterruptedException e) {
?? ??? ??? ??? ??? ??? ?}?? ?
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?} catch (Exception e) {
?? ??? ??? ??? ??? ?// TODO: handle exception
?? ??? ??? ??? ?}
?? ??? ??? ??? ?
?? ??? ??? ?}
?? ??? ?Validation();
?? ?}
?? ?@Override
?? ?public void run() {
?? ??? ?Validation();
?? ?}
}
class MakeSnacks extends Thread{
?? ?private snacks Snacks=new snacks();
?? ?public MakeSnacks(String name,snacks s) {
?? ??? ?super(name);
?? ??? ?Snacks=s;
?? ?}
?? ?@Override
?? ?public void run() {
?? ??? ?while(Snacks.makesnacks()) {
?? ??? ??? ?try {
?? ??? ??? ??? ?Thread.sleep(3000);
?? ??? ??? ?} catch (InterruptedException e) {
?? ??? ??? ?}
?? ??? ??? ?
?? ??? ?}
?? ?}
}

public class Thread_synchronized {
?? ?public static void main(String[] args) throws InterruptedException {
?? ? System.out.println("開始賣 snack！！！");
?? ??? ? snacks AIMSnackShop=new snacks();
?? ??? ? SaleSnacks sale1=new SaleSnacks("windows：A", AIMSnackShop);
?? ??? ? SaleSnacks sale2=new SaleSnacks("windows：B", AIMSnackShop);
?? ??? ? SaleSnacks sale3=new SaleSnacks("windows：C", AIMSnackShop);
?? ??? ? MakeSnacks makeSnacks =new MakeSnacks("Make: A", AIMSnackShop);
?? ??? ? sale1.start();
?? ??? ? sale2.start();
?? ??? ? sale3.start();
?? ??? ? makeSnacks.start();
?? ??? ? try {
?? ??? ??? ?Thread.sleep(500000);
?? ??? ?} catch (IllegalThreadStateException e) {
?? ??? ??? ?e.printStackTrace();
?? ??? ?}
?? ?}
}

轉載于:https://www.cnblogs.com/laiso/p/8544259.html

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