Java编写ATM代码 用java编写atm取款机

java atm机代码

package arraylist;

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import java.util.Scanner;

public class AtmDemo

{

public static void main(String[] args)

{

// TODO Auto-generated method stub

Scanner sc = new Scanner(System.in);

Boolean flag = true;

int times = 0;

while(flag){

times++;

if(times == 4){

System.out.println("密码错误，请取卡");

break;

}

System.out.println("请输入你的密码");

String password = sc.next();

if(password.equals("111111")){

Boolean moneyflag = true;

while(moneyflag){

System.out.println("请输入金额");

int number = sc.nextInt();

if(number = 0 number = 1000 number % 100 == 0){

System.out.println("用户取了" + number + "元。交易完成");

moneyflag = false;

}else{

System.out.println("请重新输入金额");

}

}

break;

}else{

continue;

}

}

}

}

java ATM登陆循环代码？

下面是一个简单的登录示例：

代码复制展示：

public class ATMLogin {

public static void main(String[] args) {

// 设置用户名和密码

String username = "gqk";

String password = "520";

// 最多可以登录 3 次

for (int i = 0; i 3; i++) {

// 读取用户输入的用户名和密码

Scanner in = new Scanner(System.in);

System.out.print("请输入用户名：");

String inputUsername = in.nextLine();

System.out.print("请输入密码：");

String inputPassword = in.nextLine();

// 检查用户名和密码是否正确

if (inputUsername.equals(username) inputPassword.equals(password)) {

System.out.println("欢迎" + username + "登录！");

break; // 登录成功，退出循环

} else {

System.out.println("用户名或密码错误，请重新输入！");

}

}

// 如果 3 次登录都失败，则提示用户

System.out.println("卡片已经被锁，请联系客服人员！");

}

}

回答不易望请采纳

java编写的模拟ATM取款机程序

我现写的： import java.util.Scanner;public class ATM {

private static String theName = "admin";

private static String thePassword = "123456";

private static int balance = 10000;

public static void getBalance(){

System.out.println("当前余额：" + balance);

}

public static void drawMoney(Scanner sc){

int money = 0;

System.out.println("请输入取款金额：");

money = sc.nextInt();

String type = "";

if (balance 0) {

if (balance = money) {

if (money = 5000) {

balance = balance - money;

type = "请在30秒内提取现金...\n剩余余额："+balance;

} else if (money = 0) {

type = "金额错误";

} else {

type = "超出最大限制金额";

}

} else {

type = "超出最大余额";

}

} else {

type = "余额不足";

}

System.out.println(type);

}

public static void bankMoney(Scanner sc){

int money = 0;

System.out.println("请输入存储金额：");

money = sc.nextInt();

String type = "";

if (money 0) {

balance = balance + money;

type = "存储成功，现有余额：" + balance;

} else {

type = "存储金额不能为负";

}

System.out.println(type);

}

public static void updatePass(Scanner sc){

String oldPass = "";

String newPass1 = "";

String newPass2 = "";

while(true){

System.out.println("请输入原密码：");

oldPass = sc.next();

if (oldPass.equals(thePassword)) {

break;

} else {

System.out.println("密码错误，请重新输入");

}

}

while(true){

System.out.println("请输入新密码");

newPass1 = sc.next();

System.out.println("再次输入");

newPass2 = sc.next();

if (newPass1.equals(newPass2)) {

if (!isSame(newPass1)) {

thePassword = newPass1;

System.out.println("修改成功");

break;

} else {

System.out.println("所有字符不能相同，重新输入");

}

} else {

System.out.println("两次输入不一致，重新输入");

}

}

}

public static boolean isSame(String string){

boolean bool = false;

for (int i = 0; i string.length() - 1; i++) {

char char1 = string.charAt(i);

for (int j = i + 1; j string.length(); j++) {

char char2 = string.charAt(j);

if (char1 == char2) {

bool = true;

break;

}

}

}

return bool;

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

while(true){

String name = "";

String password = "";

System.out.println("请输入账号：");

name = sc.next();

System.out.println("请输入密码：");

password = sc.next();

if (name.equals(theName) password.equals(thePassword)) {

break;

} else {

System.out.println("账号或密码错误，请重新输入!");

}

}

while(true){

int operate = 0;

System.out.println("请选择你要进行的操作：\n1、查询 2、取款 3、存款 4、修改密码 0、退出");

operate = sc.nextInt();

if (0 == operate) {

System.out.println("谢谢使用！");

break;

} else if (1 == operate) {

getBalance();

} else if (2 == operate) {

drawMoney(sc);

} else if (3 == operate) {

bankMoney(sc);

} else if (4 == operate) {

updatePass(sc);

}

}

}

}