第四周作业-多线程编程

最新推荐文章于 2025-05-03 17:54:36 发布

KIM-BOY

最新推荐文章于 2025-05-03 17:54:36 发布

阅读量700

点赞数

CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/kim_boy1993/article/details/22322597

本文通过Java代码实现了一个银行账户的简单模型，并演示了两个客户（小明和张新）如何同时对该账户进行存款和取款操作。此案例中，小明负责存款，而张新负责取款，通过循环随机休眠的方式模拟了并发场景。值得注意的是，由于没有使用同步机制，可能会出现余额负数的情况。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

 class BankAccount {
	private static int amount = 2000;
	public void despoit(int m){
		amount = amount + m;
		System.out.println("小明存入["+m+"元]");
	}
	public void withdraw(int m){
		amount = amount - m;
		System.out.println("小明取走["+m+"元]");
		if(amount<0)
			System.out.println("****余额不足！****");
	}
	public int balance(){
		return amount;
	}
}
 class Customer extends Thread{
	 String name;
	 BankAccount bs;
	 public Customer(BankAccount b,String s){
		name = s;
		bs = b;
	 }
	 public synchronized static void cus(String name, BankAccount bs){
		 if(name.equals("小明")){
			 try{
				 for(int i =0;i<6;i++){
					 Thread.currentThread();
					 Thread.sleep((int)(Math.random()*3000));
					 bs.despoit(1000);
				 }
			 }
			 catch(InterruptedException e){
			 }
		 }
		 else{
			 try{
				 for(int i =0;i<6;i++){
					 Thread.currentThread();
					 Thread.sleep((int)(Math.random()*3000));
					 bs.withdraw(1000); 
				 }
			 }
			 catch(InterruptedException e){
		 }
	 }
 }
	 public void run(){
		 cus(name,bs);
	 }
}
 public class AccountTest1{
	 public static void main(String args[]) throws InterruptedException{
		 BankAccount bs  = new BankAccount();
		 Customer customer1 = new Customer(bs,"小明");
		 Customer customer2 = new Customer(bs,"张新");
		 Thread t1 = new Thread(customer1);
		 Thread t2 = new Thread(customer2);
		 t1.start();
		 t2.start();
		 Thread.currentThread().sleep(500);
	 }
 }