java初级ATM模拟
import java.util.Scanner;
public class ATM {
public static void main(String[] args) {
// TODO Auto-generated method stub
String mi = "111111";
int ci = 0;
int sum = 0;
int sheng = 0;
exe: do {
// 循环相加，实验次数，超过三次失败
ci++;
if (ci > 3) {
System.out.println("密码错误，请取卡");
break exe;
}
// 获取密码
System.out.println("请输入密码");
Scanner sc = new Scanner(System.in);
String ma = sc.next();
// 验证密码，正确进入判断，不正确进行验证循环
if (ma.equals(mi)) {
// 获取提取金额
chu: do {
System.out.println(
"请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n" + "3.500元\n4.1000元\n5.3000元\n6.6000元");
Scanner sc5 = new Scanner(System.in);
// 获取字符串
int num = sc5.nextInt();
switch (num) {
case 0:
c0: do {
System.out.println("请输入金额");
Scanner sc1 = new Scanner(System.in);
// 获取字符串
String jine = sc1.next();
// 字符串转int
int yu = Integer.parseInt(jine);
// 循环判断，不符合情况的进入循环提示
while (!(yu % 100 == 0 && yu <= 1000 && yu >= 0)) {
System.out.println("金额错误，是否继续y/n");
Scanner sc6 = new Scanner(System.in);
String panzi = sc6.next();
if (panzi.equals("y") || panzi.equals("Y")) {
System.out.println("请输入金额");
Scanner sc2 = new Scanner(System.in);
jine = sc2.next();
yu = Integer.parseInt(jine);
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
}
}
// 符合情况的跳出，输出信息
do {
sum += yu;
if (sum > 20000) {
sheng = 20000 - sum + yu;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= yu;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c0;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了" + jine + "元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了" + jine + "元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c0;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
} while (true);
break;
// 跳出最初循环
case 1:
c1: do {
sum += 100;
if (sum > 20000) {
sheng = 20000 - sum + 100;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= 100;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c1;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了100元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了100元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c1;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
break;
// 跳出最初循环
case 2:
c2: do {
sum += 300;
if (sum > 20000) {
sheng = 20000 - sum + 300;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= 300;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c2;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了300元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了300元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c2;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
break;
case 3:
c3: do {
sum += 500;
if (sum > 20000) {
sheng = 20000 - sum + 500;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= 500;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c3;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了500元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了500元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c3;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
break;
case 4:
c4: do {
sum += 1000;
if (sum > 20000) {
sheng = 20000 - sum + 1000;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= 1000;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c4;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了1000元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了1000元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c4;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
break;
case 5:
c5: do {
sum += 3000;
if (sum > 20000) {
sheng = 20000 - sum + 3000;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= 3000;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c5;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了3000元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了3000元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c5;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
break;
case 6:
c6: do {
sum += 6000;
if (sum > 20000) {
sheng = 20000 - sum + 6000;
System.out.println("余额不足2W，还可以取出" + sheng);
sum -= 6000;
System.out.println("是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c6;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} else if (sum == 20000) {
System.out.println("您取了6000元");
System.out.println("余额已空，欢迎使用，请取卡");
break exe;
}
System.out.println("您取了6000元");
System.out.println("交易完成，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
do {
if (panzi.equals("y") || panzi.equals("Y")) {
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt();
*/
break c6;
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
System.out.println("是否继续Y/N");
Scanner sc16 = new Scanner(System.in);
panzi = sc16.next();
}
} while (true);
} while (true);
break;
default:
do {
System.out.println("输入错误，是否继续Y/N");
Scanner sc7 = new Scanner(System.in);
String panzi = sc7.next();
if (panzi.equals("y") || panzi.equals("Y")) {
break;
/*
* System.out.println(
* "请输入0到6任意数字选择对应钱数：\n0.手动输入金额\n1.100元\n2.300元\n"
* + "3.500元\n4.1000元\n5.3000元\n6.6000元");
* Scanner sc8=new Scanner(System.in);
* num=sc8.nextInt(); break;
*/
} else if (panzi.equals("n") || panzi.equals("N")) {
System.out.println("交易取消，请取卡");
break exe;
} else {
System.out.println("请输入正确指令");
}
} while (true);
}
} while (true);
}
} while (true);
}
}