状态模式

[实验任务一]：银行账户
用Java代码模拟实现课堂上的“银行账户”的实例，要求编写客户端测试代码模拟用户存款和取款，注意账户对象状态和行为的变化。

1. 提交源代码

2.	public class Account 
3.	{
4.	    private int userID;//账号
5.	    private int password;//密码
6.	    private double deposit;//存款余额
7.	    private double rate;//利率
8.	    private double balance;//最小余额
9.	    static int aotonomic_number=2021001;
10.	    {
11.	        userID=aotonomic_number;
12.	        System.out.println("账号为:"+userID);
13.	        aotonomic_number++;
14.	    }
15.	

16.	    public double getBalance()
17.	     {
18.	        return balance;
19.	    }
20.	
21.	    public void setBalance(double balance) 
22.	    {
23.	        this.balance = balance;
24.	    }
25.	    public String toString() 
26.	    {
27.	        return "Account [账号" + userID + ", 密码" + password + ", 存款余额"
28.	                + deposit + ", 利率" + rate + ", 最小余额" + balance + "]";
29.	    }
30.	
31.	    public int getUserID()
32.	     {
33.	        return userID;
34.	    }
35.	
36.	    public void setUserID(int userID) 
37.	    {
38.	        this.userID = userID;
39.	    }
40.	
41.	    public int getPassword() 
42.	    {
43.	        return password;
44.	    }
45.	
46.	    public void setPassword(int password) 
47.	    {
48.	        this.password = password;
49.	    }
50.	
51.	    public double getDeposit()
52.	     {
53.	        return deposit;
54.	    }
55.	
56.	    public void setDeposit(double deposit)
57.	     {
58.	        this.deposit = deposit;
59.	    }
60.	
61.	    public double getRate() 
62.	    {
63.	        return rate;
64.	    }
65.	
66.	    public void setRate(double rate)
67.	     {
68.	        this.rate = rate;
69.	    }
70.	}
71.	


import java.util.Scanner;
public class Test {
    public static void main(String[] args) {
        Account user1=new Account();
        Account user2=new Account();
        Account user3=new Account();
        Scanner reader = new Scanner(System.in);

        System.out.println("设置密码：");
        user1.setPassword(reader.nextInt());
        user2.setPassword(reader.nextInt());
        user3.setPassword(reader.nextInt());
        System.out.println("输入存款：");
        user1.setDeposit(reader.nextDouble());
        user2.setDeposit(reader.nextDouble());
        user3.setDeposit(reader.nextDouble());
        System.out.println("输入利率：");
        user1.setRate(reader.nextDouble());
        user2.setRate(reader.nextDouble());
        user3.setRate(reader.nextDouble());
        System.out.println("输入最小余额：");
        user1.setBalance(reader.nextDouble());
        user2.setBalance(reader.nextDouble());
        user3.setBalance(reader.nextDouble());
        System.out.println(user1.toString()+'\n'+user2.toString()+'\n'+user3.toString());
    }
}