Java實(shí)現(xiàn)銀行賬戶管理子系統(tǒng)
更新時(shí)間：2022年05月27日 16:27:05 作者：JKS4vage
這篇文章主要為大家詳細(xì)介紹了Java實(shí)現(xiàn)銀行賬戶管理子系統(tǒng)，文中示例代碼介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下
本文實(shí)例為大家分享了Java實(shí)現(xiàn)銀行賬戶管理子系統(tǒng)的具體代碼，供大家參考，具體內(nèi)容如下
所用到的知識(shí)點(diǎn)：面向?qū)ο蠡A(chǔ)語(yǔ)法,封裝，方法覆蓋（重寫(xiě)）、繼承、多態(tài)
話不多說(shuō)，直接上代碼
Account.java
package com.task1;
import java.util.Scanner;
public class Account {
?? ?//規(guī)定賬戶類型：
?? ?//0 – 儲(chǔ)蓄賬戶 ?1 – 信用賬戶 2 – 可貸款儲(chǔ)蓄賬戶 3– 可貸款信用賬戶
?? ?private Long id ;//賬戶號(hào)碼
?? ?private String password;//賬戶密碼
?? ?private String name;//真實(shí)姓名
?? ?private String personId;//身份證號(hào)碼
?? ?private String email;//客戶的電子郵箱
?? ?private double balance;//賬戶余額
?? ?private int type;//賬戶類型
?? ?
?? ?//無(wú)參的構(gòu)造方法
?? ?public Account(){
?? ??? ?
?? ?}
?? ?
?? ?//有參的構(gòu)造方法
?? ?public Account(long id, String password, String name, String personId, String email, double balance, int type) {
?? ??? ??? ?super();
?? ??? ??? ?this.id = id;
?? ??? ??? ?this.password = password;
?? ??? ??? ?this.name = name;
?? ??? ??? ?this.personId = personId;
?? ??? ??? ?this.email = email;
?? ??? ??? ?this.balance = balance;
?? ??? ??? ?this.type = type;
?? ??? ?}
?? ?
?? ?//get、set方法
?? ?public Long getId() {
?? ??? ?return id;
?? ?}
?? ?public void setId(long id) {
?? ??? ?this.id = id;
?? ?}
?? ?public String getPassword() {
?? ??? ?return password;
?? ?}
?? ?public void setPassword(String password) {
?? ??? ?this.password = password;
?? ?}
?? ?public String getName() {
?? ??? ?return name;
?? ?}
?? ?public void setName(String name) {
?? ??? ?this.name = name;
?? ?}
?? ?public String getPersonId() {
?? ??? ?return personId;
?? ?}
?? ?public void setPersonId(String personId) {
?? ??? ?this.personId = personId;
?? ?}
?? ?public String getEmail() {
?? ??? ?return email;
?? ?}
?? ?public void setEmail(String email) {
?? ??? ?this.email = email;
?? ?}
?? ?public double getBalance() {
?? ??? ?return balance;
?? ?}
?? ?public void setBalance(double balance) {
?? ??? ?this.balance = balance;
?? ?}
?? ?public int getType() {
?? ??? ?return type;
?? ?}
?? ?public void setType(int type) {
?? ??? ?this.type = type;
?? ?}
?? ?//存款
?? ?public Account deposit(double money ) {
?? ??? ?this.balance+= money; ? //余額增加
?? ??? ?return this;
?? ?}
?? ?
?? ?//取款
?? ?public Account withdraw(double money) {
?? ??? ?if(balance - money >= 0) { //判斷余額是否足夠
?? ??? ??? ?balance -= money; ?//余額減少
//?? ??? ??? ?System.out.println("存款成功");
?? ??? ?}
?? ??? ?else {
?? ??? ??? ?System.out.println("您的余額不足！");
?? ??? ?}
?? ??? ?return this;
?? ?}
?? ?//重寫(xiě)toString方法
?? ?@Override
?? ?public String toString() {
?? ??? ?return "Account [id=" + id + ", password=" + password + ", name=" + name + ", personId=" + personId + ", email="
?? ??? ??? ??? ?+ email + ", balance=" + balance + ", type=" + type + "]";
?? ?}? ?
?? ?
}SavingAccount.java
package com.task1;
public class SavingAccount extends Account {
?? ?public SavingAccount() {
?? ??? ?super();
?? ??? ?// TODO Auto-generated constructor stub
?? ?}
?? ?public SavingAccount(long id, String password, String name, String personId, String email, double balance,
?? ??? ??? ?int type) {
?? ??? ?super(id, password, name, personId, email, balance, type);
?? ??? ?// TODO Auto-generated constructor stub
?? ?}
?? ?@Override
?? ?public String toString() {
?? ??? ?return "SavingAccount [getId()=" + getId() + ", getPassword()=" + getPassword() + ", getName()=" + getName()
?? ??? ??? ??? ?+ ", getPersonId()=" + getPersonId() + ", getEmail()=" + getEmail() + ", getBalance()=" + getBalance()
?? ??? ??? ??? ?+ ", getType()=" + getType() + "]";
?? ?}
}CreditAccpunt.java
package com.task1;
public class CreditAccount extends Account{
?? ?private double ceiling;
?? ?public CreditAccount() {
?? ??? ?super();
?? ?}
?? ?public CreditAccount(long id, String password, String name, String personId, String email, double balance,
?? ??? ??? ?int type,double ceiling) {
?? ??? ?super(id, password, name, personId, email, balance, type);
?? ??? ?this.ceiling = ceiling;
?? ?}
?? ?public double getCeiling() {
?? ??? ?return ceiling;
?? ?}
?? ?public void setCeiling(double ceiling) {
?? ??? ?this.ceiling = ceiling;
?? ?}
?? ?@Override
?? ?public String toString() {
?? ??? ?return "CreditAccount [getCeiling()=" + getCeiling() + ", getId()=" + getId() + ", getPassword()="
?? ??? ??? ??? ?+ getPassword() + ", getName()=" + getName() + ", getPersonId()=" + getPersonId() + ", getEmail()="
?? ??? ??? ??? ?+ getEmail() + ", getBalance()=" + getBalance() + ", getType()=" + getType() + "]";
?? ?}
?? ?@Override
?? ?public Account withdraw(double money) {
?? ??? ?if(getBalance() >= money) {
?? ??? ??? ?setBalance(getBalance() - money);
?? ??? ?}else if(getBalance() + getCeiling() >= money) {
?? ??? ??? ?setCeiling(getCeiling()-(money-getBalance()));
?? ??? ??? ?setBalance(0);
?? ??? ?}else {
?? ??? ??? ?System.out.println("對(duì)不起，您的余額不足");
?? ??? ?}
?? ??? ?return this;
?? ?}??
?? ?
}Bank.java
package com.task1;
import java.util.Scanner;
public class Bank {
?? ?int index = 0; //當(dāng)前用戶數(shù)量
?? ?Account [] accounts = new Account [100];//數(shù)據(jù)庫(kù)
?? ?Account account = null;
?? ?/*
?? ? * 用戶開(kāi)戶(register)
? ? ? 參數(shù)列表: Long 賬號(hào), String密碼, String確認(rèn)密碼,String 姓名,String身份證號(hào)碼,String郵箱,int 賬戶類型；
(Long id, String password, String repassword, String name, String personID, String email, int type)
? ? ? 返回類型：Account
? ? ? 規(guī)定賬戶類型：0 – 儲(chǔ)蓄賬戶 ?1 – 信用賬戶 2 – 可貸款儲(chǔ)蓄賬戶 3– 可貸款信用賬戶
?? ? */
?? ?//用戶開(kāi)戶
?? ?public Account register(Long id, String password, String repassword, String name, String personId, String email, int type) {
?? ??? ?if(password.equals(repassword)) { ?// 判斷兩次輸入密碼是否一致
?? ??? ??? ?switch (type) { ? ? ? ? ?//根據(jù)用戶類型創(chuàng)建不同賬戶
?? ??? ??? ?case 0:?
?? ??? ??? ??? ?account = new SavingAccount(id, repassword, name, personId, email, 0, type); ? //創(chuàng)建儲(chǔ)蓄賬戶
?? ??? ??? ??? ?
?? ??? ??? ??? ?break;
?? ??? ??? ?case 1:
?? ??? ??? ??? ?account = new CreditAccount(id, repassword, name, personId, email, 0, type,1000); ? //創(chuàng)建信用賬戶
?? ??? ??? ?}
?? ??? ??? ?accounts[index++] = account; ? ?//賬戶信息存到數(shù)據(jù)庫(kù)，用戶數(shù)量+1
?? ??? ?}
//?? ??? ?else {
//?? ??? ??? ?System.out.println("兩次輸入的密碼不一致");
//?? ??? ?}
?? ??? ?return account;
?? ?}
?? ?
?? ?//用戶登錄
?? ?public Account login(Long id, String password) {
?? ??? ?int find = searchIdPassword(index, id, password); //當(dāng)前用戶數(shù)組下標(biāo)
?? ??? ?if(find >= 0) {?? ??? ??? ??? ??? ??? ?//判斷賬戶密碼是否正確
//?? ??? ??? ?System.out.println("登錄成功");
?? ??? ??? ?return accounts[find]; ? ? ? ? //返回當(dāng)前對(duì)象
?? ??? ?}
//?? ??? ?else {
//?? ??? ??? ?System.out.println("用戶名密碼錯(cuò)誤");
//?? ??? ?}
?? ??? ?
?? ??? ?return null;???//如果賬戶密碼錯(cuò)誤返回空
?? ?}
?? ?
?? ?//用戶存款
?? ?public Account deposit(Long id, double money) {
?? ??? ?int find = searchId(index, id);當(dāng)前用戶數(shù)組下標(biāo)
?? ??? ?if(find >= 0) {?? ??? ??? ??? ??? ??? ??? ?//判斷賬戶是否存在
?? ??? ??? ?accounts[find].deposit(money); ? ? ?//調(diào)用Account類的存款方法
//?? ??? ??? ?System.out.println("存款成功");
?? ??? ??? ?return accounts[find]; ? ? ? ? ? ? //返回當(dāng)前對(duì)象
//?? ??? ??? ?accounts[find].setBalance(accounts[find].getBalance()+money);
?? ??? ?}
//?? ??? ?else {
//?? ??? ??? ?System.out.println("用戶不存在");
//?? ??? ?}
?? ??? ?
?? ??? ?return null;???//如果賬戶不存在返回空
?? ?}
?? ?
?? ?//用戶取款
?? ?public Account withdraw(Long id, String password, double money) {
?? ??? ?int find = searchIdPassword(index, id, password);//當(dāng)前用戶數(shù)組下標(biāo)
?? ??? ?if(find >= 0) {?? ??? ??//判斷賬戶密碼是否正確
?? ??? ??? ?
?? ??? ??? ?accounts[find].withdraw(money);?? ??//調(diào)用當(dāng)前對(duì)象的取款方法?? ?
//?? ??? ??? ?System.out.println("取款成功");
?? ??? ??? ?return accounts[find];?? ?//返回當(dāng)前對(duì)象
?? ??? ?}
?? ??? ?return null;
?? ?}
?? ?//設(shè)置透支額度
?? ?public Account updateCeiling(Long id, String password, double money) {
?? ??? ?int find = searchIdPassword(index, id, password);//獲取當(dāng)前用戶數(shù)組下標(biāo)
?? ??? ?if((find >= 0) && (accounts[find].getType()) == 1){ ?//判斷賬戶號(hào)碼和密碼是否正確，賬戶類型是否為信用賬戶
?? ??? ??? ?((CreditAccount)accounts[find]).setCeiling(((CreditAccount)accounts[find]).getCeiling() + money); //調(diào)用set方法設(shè)置透支額度
?? ??? ??? ?return accounts[find];
?? ??? ?}
?? ??? ?return null;
?? ?}
?? ?
?? ?
?? ?// ?轉(zhuǎn)賬功能
?? ?// ?參數(shù)：from轉(zhuǎn)出賬戶，passwordFrom 轉(zhuǎn)出賬號(hào)的密碼，to轉(zhuǎn)入賬戶，money轉(zhuǎn)賬的金額
?? ?public boolean transfer(Long from, String passwordFrom, Long to, double money) {
?? ??? ?int find = searchIdPassword(index, from, passwordFrom); //轉(zhuǎn)賬賬戶數(shù)組下標(biāo)
?? ??? ?int find2 = searchId(index, to); ? ? ? ? ? ? ?//收款賬戶數(shù)組下標(biāo)
?? ??? ?if(find >= 0 && find2 >= 0 && accounts[find].getBalance() >= money) { ?//判斷轉(zhuǎn)賬賬戶密碼、收款賬戶是否匹配，判斷轉(zhuǎn)賬用戶余額是否足夠
?? ??? ??? ??? ?accounts[find].withdraw(money);//轉(zhuǎn)賬用戶轉(zhuǎn)賬操作==取款
?? ??? ??? ??? ?accounts[find2].deposit(money);//收款用戶 == 存款
?? ??? ??? ??? ?return true;
?? ??? ?}?
?? ??? ?return false;
?? ?}
?? ?
?? ?//統(tǒng)計(jì)銀行所有賬戶余額總數(shù)
?? ?public double balanceSum() {
?? ??? ?double sum = 0; ? ? //初始化所有賬戶余額
?? ??? ?for(int i = 0; i < index; i++) { ?//遍歷數(shù)組
?? ??? ??? ?sum += accounts[i].getBalance();//求和(賬戶余額)
?? ??? ?}
?? ??? ?return sum;
?? ?}
?? ?
?? ?//統(tǒng)計(jì)所有信用賬戶透支額度總數(shù)
?? ?public double ceilingSum() {
?? ??? ?double sum = 0; ?//初始化所有透支額度和
?? ??? ?for(int i = 0; i < index; i++) { ?//遍歷
?? ??? ??? ?if(accounts[i].getType() == 1) { ?//判斷賬戶類型是否為信用賬戶
?? ??? ??? ??? ?sum += ((CreditAccount)accounts[i]).getCeiling(); //求和
?? ??? ??? ?}
?? ??? ?}
?? ??? ?return sum;
?? ?}
?? ?//搜索Id與密碼返回?cái)?shù)組下標(biāo)位置
?? ?public int searchIdPassword(int index, Long id, String password) {
?? ??? ?for(int i = 0; i < index; i++) {
?? ??? ??? ?if(id.equals(accounts[i].getId()) && password.equals(accounts[i].getPassword())){ ?//比較賬戶和密碼是否匹配
?? ??? ??? ??? ?return i ;?? //匹配則返回賬戶數(shù)組下標(biāo)
?? ??? ??? ?}
?? ??? ??? ?
?? ??? ?}
?? ??? ?return -1;?? ??//不匹配則返回-1
?? ?}
?? ?//搜索Id
?? ?public int searchId(int index, Long id) {
?? ??? ?for(int i = 0; i < index; i++) {
?? ??? ??? ?if(id.equals(accounts[i].getId())){ ? //比較賬戶是否匹配
?? ??? ??? ??? ?return i ;?? ??? ??? ??? ??? ??? ?//匹配則返回賬戶數(shù)組下標(biāo)
?? ??? ??? ?}
?? ??? ??? ?
?? ??? ?}
?? ??? ?return -1;?? ?//不匹配則返回-1
?? ?}
}TestAccount.java
package com.task1;
public class TestAccount {
?? ?public static void main(String[] args) {
?? ??? ?Account a =new Account(123456L, "123456","張三", "421356", "tt@tt.com", 100.0, 0);
?? ??? ?System.out.println(a);?? ??? ?
?? ?}
}TestBank.java
package com.task1;
import java.util.Scanner;
public class TestBank {
?? ?public static void main(String[] args) {
?? ??? ?Scanner sc = new Scanner(System.in);
?? ??? ?Bank bank = new Bank();
?? ??? ?String action =null;
?? ??? ?do {
?? ??? ??? ?System.out.println("菜單：");
?? ??? ??? ?System.out.println("---[1.開(kāi)戶]---");
?? ??? ??? ?System.out.println("---[2.登錄](méi)---");
?? ??? ??? ?System.out.println("---[3.存款]---");
?? ??? ??? ?System.out.println("---[4.取款]---");
?? ??? ??? ?System.out.println("---[5.設(shè)置透支額度]---");
?? ??? ??? ?System.out.println("---[6.轉(zhuǎn)賬]---");
?? ??? ??? ?System.out.println("請(qǐng)選擇服務(wù)");
?? ??? ??? ?int choice =sc.nextInt();
?? ??? ??? ?
?? ??? ??? ?switch(choice) {
?? ??? ??? ?
?? ??? ??? ??? ?case 1:?? ??? ??? ?//開(kāi)戶
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?Long id = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶密碼：");
?? ??? ??? ??? ??? ?String password = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)確認(rèn)賬戶密碼：");
?? ??? ??? ??? ??? ?String repassword = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入真實(shí)姓名：");
?? ??? ??? ??? ??? ?String name = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入身份證號(hào)：");
?? ??? ??? ??? ??? ?String personId = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入電子郵箱：");
?? ??? ??? ??? ??? ?String email = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶類型：0 – 儲(chǔ)蓄賬戶 ?1 – 信用賬戶 2 – 可貸款儲(chǔ)蓄賬戶 3– 可貸款信用賬戶");
?? ??? ??? ??? ??? ?int type = sc.nextInt();
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?Account a1 = bank.register(id, password, repassword, name, personId, email, type);
?? ??? ??? ??? ??? ?if(a1 != null) {
?? ??? ??? ??? ??? ??? ?System.out.println(a1);
?? ??? ??? ??? ??? ??? ?System.out.println("開(kāi)戶成功");
?? ??? ??? ??? ??? ?}else {
?? ??? ??? ??? ??? ??? ?System.out.println("兩次輸入密碼不一致");
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ?case 2:?? ??? ??? ?//登錄
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?id = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶密碼：");
?? ??? ??? ??? ??? ?password = sc.next();
?? ??? ??? ??? ??? ?Account a2 = bank.login(id, password);
?? ??? ??? ??? ??? ?if(a2 != null) {
?? ??? ??? ??? ??? ??? ?System.out.println(a2);
?? ??? ??? ??? ??? ??? ?System.out.println("登錄成功");
?? ??? ??? ??? ??? ?}else {
?? ??? ??? ??? ??? ??? ?System.out.println("賬戶號(hào)碼密碼錯(cuò)誤");
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?case 3:?? ??? ??? ?//存款
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?id = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入存款金額：");
?? ??? ??? ??? ??? ?double money = sc.nextDouble();
?? ??? ??? ??? ??? ?Account a3 = bank.deposit(id, money);
?? ??? ??? ??? ??? ?if(a3 != null) {
?? ??? ??? ??? ??? ??? ?System.out.println(a3);
?? ??? ??? ??? ??? ??? ??? ?System.out.println("存款成功");
?? ??? ??? ??? ??? ?}else {
?? ??? ??? ??? ??? ??? ?System.out.println("賬戶不存在");
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?case 4:?? ??? ??? ?//取款
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?id = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶密碼：");
?? ??? ??? ??? ??? ?password = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入取款金額：");
?? ??? ??? ??? ??? ?money = sc.nextDouble();
?? ??? ??? ??? ??? ?Account a4 = bank.withdraw(id, password, money);
?? ??? ??? ??? ??? ?if(a4 != null ) {
?? ??? ??? ??? ??? ??? ?System.out.println(a4);
?? ??? ??? ??? ??? ??? ?System.out.println("取款成功");
?? ??? ??? ??? ??? ?}else {
?? ??? ??? ??? ??? ??? ?System.out.println("賬戶號(hào)碼密碼錯(cuò)誤");
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?case 5://設(shè)置透支額度
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?id = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入賬戶密碼：");
?? ??? ??? ??? ??? ?password = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入透支金額：");
?? ??? ??? ??? ??? ?money = sc.nextDouble();
?? ??? ??? ??? ??? ?Account a5 = bank.updateCeiling(id, password, money);
?? ??? ??? ??? ??? ?if(a5 != null ) {
?? ??? ??? ??? ??? ??? ?System.out.println(a5);
?? ??? ??? ??? ??? ??? ?System.out.println("設(shè)置透支額度成功");
?? ??? ??? ??? ??? ?}else {
?? ??? ??? ??? ??? ??? ?System.out.println("賬戶號(hào)碼密碼錯(cuò)誤或賬戶類型錯(cuò)誤");
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?case 6:// ?轉(zhuǎn)賬功能
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入轉(zhuǎn)賬賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?Long from = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入轉(zhuǎn)賬賬戶密碼：");
?? ??? ??? ??? ??? ?String passwordFrom = sc.next();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入收款賬戶號(hào)碼：");
?? ??? ??? ??? ??? ?Long to = sc.nextLong();
?? ??? ??? ??? ??? ?System.out.println("請(qǐng)輸入轉(zhuǎn)賬金額：");
?? ??? ??? ??? ??? ?money = sc.nextDouble();
?? ??? ??? ??? ??? ?boolean flag = bank.transfer(from, passwordFrom, to, money);
?? ??? ??? ??? ??? ?if(flag) {
?? ??? ??? ??? ??? ??? ?System.out.println("轉(zhuǎn)賬成功");
?? ??? ??? ??? ??? ?}else {
?? ??? ??? ??? ??? ??? ?System.out.println("轉(zhuǎn)賬失敗");
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ?default:
?? ??? ??? ??? ??? ?System.out.println("服務(wù)選擇錯(cuò)誤");
?? ??? ??? ?}
?? ??? ??? ?System.out.println("是否繼續(xù)(y/n)?");
?? ??? ??? ?action = sc.next();
?? ??? ?
?? ??? ?}while("y".equals(action));
?? ??? ?
?? ??? ?double balanceSum = bank.balanceSum();
?? ??? ?double ceilingSum = bank.ceilingSum();
?? ??? ?System.out.println("銀行所有賬戶余額總數(shù):"+balanceSum);
?? ??? ?System.out.println("所有信用賬戶透支額度總數(shù)"+ceilingSum);
?? ?}
}以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。
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