第四周作业-多线程编程

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("张新取走["+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()*300));
bs.despoit(1000);
}
}
catch(InterruptedException e)
{}
}
else
{
try
{
for(int i=0;i<6;i++)
{
Thread.currentThread();
Thread.sleep((int)(Math.random()*300));
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();
Thread.sleep(500);
}
}