package analog_ATM;

import java.io.IOException;

//import java.sql.*;

import java.util.*;

/**

* 1.賬戶類,模擬ATM機，即讀取了用戶的個人信息

* 2.查詢余額

* 3.交易記錄

* 4.存/取

* 5.其他功能

*/

class InsufficientFundsException extends Exception{//自定義異常類

Account account; //貌似有危險

private double dAmount;

InsufficientFundsException(){} //無參

InsufficientFundsException(Account account, double dAmount){

this.account = account;

this.dAmount = dAmount;

}

public String getMessage(){ //錯誤信息

String str = "取款失敗！賬戶余額：" + account.getBalance()+ "，取款額：" + dAmount + "，余額不足";

return str;

}

}

class Account{

boolean isUseful = true; //卡是否可用

String cardNumber; //4位數的卡號，由銀行按照規定分配

String userName; //用戶名

String password; //密碼

double balance; //余額

Account(){

this.isUseful = true;

this.balance = 0.0;

}

Account(String cardNumber, String userName, String password){

this.isUseful = true;

this.balance = 0.0;

this.cardNumber = cardNumber;

this.userName = userName;

this.password = password;

}

//

//public void setCardNumber() {

//Random rnd = new Random();

//rnd.setSeed(9999);

//}

//

public void setUserName() throws IOException{//cin exception

Scanner sc = new Scanner(System.in);

System.out.println("請輸入您的用戶名：");

this.userName = sc.nextLine();

}

//

public void setPassword() throws IOException {//cin exception

Scanner sc = new Scanner(System.in);

System.out.println("請輸入您的密碼：");

this.password = sc.nextLine();

}

//查余額

public double getBalance(){

return this.balance;

}

//取

public void withdraw(double money) throws InsufficientFundsException{

if (balance < money) {

throw new InsufficientFundsException(this, money);

}

balance = balance - money;

System.out.println("取款成功！賬戶余額為" + balance);

}

//查記錄

public void recordsInfo() {

}

//存

public void saveMoney(double money) {

this.balance += money;

System.out.println("存款成功！新余額為："+this.balance);

}

}

//銀行系統

class Bank{

Account card[];

static int current_account_index = 0;

static int accountNumber = 0; //賬戶數量

static int illegalCardNumber = 0; //凍結數量

Bank(){

card = new Account[1];

card[0] = new Account("1000", "root", "password");

accountNumber ++;

}

void addAccount() throws IOException, InsufficientFundsException {

Account [] temp = card;

card = new Account[accountNumber + 1];

for(int i = 0; i

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