Java項(xiàng)目如何實(shí)現(xiàn)模擬ATM機(jī)
這篇文章主要講解了Java項(xiàng)目如何實(shí)現(xiàn)模擬ATM機(jī)，內(nèi)容清晰明了，對(duì)此有興趣的小伙伴可以學(xué)習(xí)一下，相信大家閱讀完之后會(huì)有幫助。
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項(xiàng)目名稱
模擬ATM機(jī)
項(xiàng)目描述
簡(jiǎn)單實(shí)現(xiàn)ATM機(jī)功能
代碼實(shí)現(xiàn)
測(cè)試類
public class Test {
//模擬多功能ATM機(jī)
public static void main(String[] args) {
ATM atm = new ATM();
atm.opearte();
}
}主類：實(shí)現(xiàn)主方法
public class ATM {
private Bank bank;
public ATM(){
bank = new Bank();
}
private void success(BankCard bankCard) {
while (true) {
System.out.println("請(qǐng)選擇：1、查詢余額，2、取款，3、存款，4、轉(zhuǎn)賬，5、退卡");
Scanner scanner = new Scanner(System.in);
int choice = scanner.nextInt();
if (choice == 5) {
return;
}
switch (choice) {
case 1:
int money = bank.printf(bankCard);
System.out.println("余額：" + money);
break;
case 2:
System.out.println("請(qǐng)輸入取款金額：");
money = scanner.nextInt();
bankCard.withdraw(money);
break;
case 3:
System.out.println("請(qǐng)輸入存款金額：");
money = scanner.nextInt();
bankCard.deposit(money);
break;
case 4:
System.out.println("請(qǐng)輸入對(duì)方賬戶id：");
int id = scanner.nextInt();
BankCard card = bank.transfer(id);
if(card != null){
System.out.println("請(qǐng)輸入轉(zhuǎn)賬金額：");
money = scanner.nextInt();
if(money <= bankCard.getMoney()){
bankCard.withdraw(money);
card.deposit(money);
}else {
System.out.println("轉(zhuǎn)賬失敗");
}
}else {
System.out.println("未找到該賬戶");
}
break;
default:
}
}
}
private void login(){ //登錄
System.out.println("請(qǐng)輸入賬號(hào)，密碼");
Scanner scanner = new Scanner(System.in);
int id = scanner.nextInt();
int password = scanner.nextInt();
BankCard bankCard = bank.search(id,password);
if(bankCard != null){
System.out.println("登錄成功");
success(bankCard);
}else {
System.out.println("登錄失敗，請(qǐng)注冊(cè)");
}
}
private void register(){ //注冊(cè)
System.out.println("請(qǐng)輸入賬號(hào)，密碼");
Scanner scanner = new Scanner(System.in);
int id = scanner.nextInt();
int password = scanner.nextInt();
BankCard bankCard = bank.search(id,password);
if(bankCard != null){
System.out.println("該賬號(hào)已存在，請(qǐng)直接登錄");
}else {
bank.addcard(id,password);
System.out.println("注冊(cè)成功");
}
}
public void opearte() {
while (true) {
System.out.println("請(qǐng)選擇：1、登錄，2、注冊(cè)，3、退出");
Scanner scanner = new Scanner(System.in);
int choice = scanner.nextInt();
if (choice == 3) {
return;
}
switch (choice) {
case 1:
login();
break;
case 2:
register();
break;
default:
}
}
}
}銀行類：一個(gè)銀行對(duì)應(yīng)多個(gè)ATM機(jī)
public class Bank {
private BankCard[] bankCards;
private final int INITSIZE = 10;
private int size;
public Bank(){
bankCards = new BankCard[INITSIZE];
size = 0;
}
public BankCard search(int id,int password){ //搜索
BankCard[] bankCard = bankCards;
for(int i=0;i銀行卡類：不同賬戶的操作
public class BankCard {
private int id;
private int password;
private int money;
private int size = 0;
public BankCard(int id,int password){
this.id = id;
this.password = password;
money = 0;
}
public int getId(){
return id;
}
public int getPassword(){
return password;
}
public int getMoney(){
return money;
}
public void withdraw(int money){ //取款
if(this.money >= money){
this.money -= money;
}else {
System.out.println("取款失敗");
}
}
public void deposit(int money){ //存款
this.money += money;
}
}看完上述內(nèi)容，是不是對(duì)Java項(xiàng)目如何實(shí)現(xiàn)模擬ATM機(jī)有進(jìn)一步的了解，如果還想學(xué)習(xí)更多內(nèi)容，歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道。
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