用Java編寫銀行存錢取錢

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const readline = require(‘readline-sync‘)//引用readline-sync

let s = 2;//錯誤的次數

for (let i = 0; i < 3; i++) {

console.log(‘請輸入名：（由英文組成）‘);

let user = readline.question();

console.log(‘請輸入密碼：（由數字組成）‘);

let password = readline.question();

let arr = [‘yang‘, ‘123456‘];

if (user == arr[0] && password == arr[1]) {

console.log(‘歡迎您，登陸成功‘);

for (let yewu = 1; yewu >= 1; yewu++) {

console.log(‘請選擇業務：\n1.存款： \n2.取款： \n3.查看： \n4.退出：‘);

let yewu = readline.question() - 0;

let money = 3000;

if (yewu > 4) {

console.log(‘對不起你輸入的有誤，請重新輸入：‘)

continue;

}

switch (yewu) {

case 1:

//存款money2為錢變化後的總數

console.log(‘存款‘);

console.log(‘請輸入存款金額：‘);

let cunkuan = readline.question() - 0;

money2 = money + cunkuan;

console.log(‘系統正在為你存錢請稍等。。。。。\n存錢成功您當前餘額為‘ + money2);

continue;

case 2:

console.log(‘取款‘);

console.log(‘請輸入取款金額：‘);

let qukuan = readline.question() - 0;

if (qukuan > money2) {

console.log(‘對不起你的餘額不足！，您的餘額不足，請重新輸入或者退出‘);

} else {

money2 = money2 - qukuan;

console.log(‘當前餘額為：‘ + money2);

}

continue;

case 3:

console.log(‘查看‘);

console.log(‘當前你的餘額為：‘ + money2);

continue;

case 4:

console.log(‘退出‘);

console.log(‘歡迎你下次使用！‘);

break;

}break;

}

break;

} else {//輸入不正確時

if (s != 0) {

console.log(‘密碼或賬戶名錯誤，您還有‘ + s + "次機會,請重新輸入：");

s--;

continue;

} else {

console.log(‘對不起，賬戶鎖定！‘);

break;

}

}

}

用Java編寫銀行存錢取錢