import java.util.Scanner
public class Test3 {
public static void main(String[] args) {
Scanner scanner =new Scanner(System.in)
int cnt=3
String username = null
String password = null
double money = 1000
String targetName = "admin33"
double targetMoney = 1000
while(true){
if(username!=null&&password!=null){
if("admin".equals(username) &&"123".equals(password)){
System.out.println("欢迎光临")
while(true){
System.out.println("请选择您的 *** 作 1 取钱 2 存钱 3 转账 4 查询 5 退出 ")
int n = scanner.nextInt()
if(n==1){//取钱
System.out.println("请输入金额")
int getter = scanner.nextInt()
if(getter>=0){
if(getter<=5000){
if(getter<=money){
money-=getter
}else{
System.out.println("余额不足")
}
}else{
System.out.println("单笔只能取5000及以下")
}
}else{
System.out.println("银行不到给")
}
}else if(n==2){//存钱
System.out.println("请输入金额")
int save = scanner.nextInt()
if(save>=0){
money+=save
}
}else if(n==3){//转账
System.out.println("请输入目标账户")
String target = scanner.next()
if(target.equals(targetName)){
System.out.println("请输入金额")
int getter = scanner.nextInt()
if(getter>=0){
if(getter<=5000){
if(getter<=money){
money-=getter
targetMoney+=getter
}else{
System.out.println("余额不足")
}
}else{
System.out.println("单笔只能取5000及以下")
}
}else{
System.out.println("银行不到给")
}
}
}else if(n==4){//查询
System.out.println(money)
}else if(n==5){//退出
System.exit(0)
}else{
System.out.println("没有该项服务")
}
}
}else{
cnt--
System.out.println("输入错误，您还有"+cnt+"次机会")
username=null
password=null
if(cnt<=0){
System.out.println("对不起，您的账号被冻结，请到最近的营业厅解除冻结")
System.exit(0)
}
}
}else{
System.out.println("请输入您的账号")
username = scanner.next()
System.out.println("请输入您的密码")
password = scanner.next()
}
}
}
}
package com.lw.thread
/*
银行账户类Account（不能透支），
包含账号id（10~16位数字），密码password（6位数字），户主姓名name，余额balence
*/
public class Account {
private String id
private int password
private String name
private double balence
public String getId() {
return id
}
public void setId(String id) {
this.id = id
}
public int getPassword() {
return password
}
public void setPassword(int password) {
this.password = password
}
public String getName() {
return name
}
public void setName(String name) {
this.name = name
}
public double getBalence() {
return balence
}
public void setBalence(double balence) {
this.balence = balence
}
/*
* 默认构造账户信息为：1111111111111111,666666，钱三多，888888.88。
*/
public Account() {
super()
this.id = "1111111111111111"
this.password = 666666
this.name = "钱三多"
this.balence = 888888.88
}
/*
* 另一个构造方法带4个参数分别初始化4个属性（带数据有效性验证）。
*/
public Account(String id, int password, String name, double balence) {
this.id = id
this.password = password
this.name = name
this.balence = balence
}
/*
* 查询余额
*/
public static double selectMoney(Account account) {
return account.getBalence()
}
/*
* 存钱
*/
public static String setMoney(Account account, double balence) {
if (balence <0) {
return "存钱失败，请正确放入！"
}
double d = balence + account.getBalence()
account.setBalence(d)
return "您存入了" + balence + "元，现账户余额为+" + d
}
/*
* 取钱
*/
public static String getMoney(Account account, double balence) {
double d = account.getBalence()
if (balence >d) {
return "您的余额不足！"
}
account.setBalence(d - balence)
return "您取出了" + balence + "元，现账户余额为+" + account.getBalence()
}
}
AccountTest.java class BankAccount //定义银行账户类BankAccount{private static int amount =2000 //账户余额最初为2000public void despoit(int m) //定义存款的方法{amount=amount+mSystem.out.println("晓明存入["+m+"元]")}public void withdraw(int m) //定义取款的方法{amount=amount-mSystem.out.println("张新取走["+m+"元]")if(amount<0)System.out.println("***余额不足！***)；public int balance() //定义得到账户余额的方法{return amount}}classicCustomerextendsThread {String nameBankAccount bs //定义一个具体的账户对象public Customer(BankAccount b,String s){name=sbs=b}public static void cus(String name,BankAccount bs) //具体的账户 *** 作方法{if(name.equals("小明")) //判断用户是不是小明{try{for(int i=0i<6i++) //用户晓明则向银行存款6次，每次1000元 {Thread.currentThread().sleep((int)(Math.random()*300))bs.despoit(1000)}}catch(InterruptedException e){}}else{try{for(int i=0i<6i++) //用户不是小明则从银行取款6次，每次1000元{Thread.currentThread().sleep((int)(Math.random()*300))bs.withdraw(1000) }}catch(InterruptedException e){} }}public void run() //定义run方法}cus(name,bs) }}public classAccountTest{public static void main(String [] args) throws InterruptedException{BankAccount bs=new BankAccount()Customer customer1=new Customer(bs,"小明")Customer customer2=new Customer(bs,"张新")Thread t1=new Thread(customer1)Thread t2=new Thread(customer2)t1.Start（）；t2.start()Thread.currentThread().sleep(500)}}欢迎分享，转载请注明来源：内存溢出
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