银行开户销户java代码,销户开户行

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JAVA编写银行账户程序摸拟银行账户的存\取款操作

public class ATM {

public static void main(String[] args) {

// 开立帐号

Account account = new Account();

// 在 account 中存 10,000 元

account.setBalance(10000);

// 检查 account 中的存款

System.out.println("帐户原始金额 : " + account.getBalance() + " 元");

// 小明, 小华与小英一起对 account 进行提款的动作

WithDraw s1 = new WithDraw("小明", account, 5000); // 小明在 account 中提 5000 元

WithDraw s2 = new WithDraw("小华", account, 2000); // 小华在 account 中提 2000 元

WithDraw s3 = new WithDraw("小英", account, 4000); // 小英在 account 中提 4000 元

s1.start();

s2.start();

s3.start();

}

//帐户

class Account {

private int balance; // 帐户馀额

public int getBalance() { // 取得帐户馀额

return balance;

}

public void setBalance(int money) { // 设定帐户馀额

balance = money;

}

// 提款方法

public void withDraw(Account account, int withdrawMoney) {

String tName = Thread.currentThread().getName(); // tName=提款人

System.out.println(tName + " 开始提款 ... ");

boolean withDrawStatus; // 提款状态说明:false=提款失败, true=提款成功

synchronized(ATM.class) {

int tmpBalabce = account.getBalance(); // 取得最新帐户馀额

//用 for-loop 模拟提款时系统所花的时间

for(double delay=0;delay99999999;delay++) {

// ... 提款进行中 ...

}

tmpBalabce = tmpBalabce - withdrawMoney; // 最新帐户馀额 - 欲提款金额 (用来判断是否馀额足够的依据)

if (tmpBalabce 0) { // 判断是否馀额足够

withDrawStatus = false;

System.out.println("....................");

System.out.println(" 帐户馀额不足！");

System.out.println("....................");

} else {

withDrawStatus = true;

account.setBalance(tmpBalabce); // 回存account最後剩馀金额

}

System.out.println(tName + "的交易单:");

System.out.println("\t欲提款金额：" + withdrawMoney + "元");

System.out.println("\t帐户馀额：" + account.getBalance());

if(withDrawStatus == true){

System.out.println(tName + " 完成提款 ... ");

} else {

System.out.println(tName + " 提款失败 ... ");

}

System.out.println("-------------------------------");

}

// 提款类别

class WithDraw extends Thread {

private Account account; // 帐号

private int withdrawMoney; // 欲提款的金额

// tName:执行绪名称, account:Account物件名称, withdrawMoney:欲提款金额

public WithDraw(String tName, Account account, int withdrawMoney) {

setName(tName);

this.account = account;

this.withdrawMoney= withdrawMoney;

}

public void run() {

// 执行提款动作(account:帐号, withdrawMoney 欲提款金额)

account.withDraw(account, withdrawMoney); // 执行提款动作

}

相关问答

Q1: 用java编的银行账户系统代码

package pack.money.persistent;import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.util.ArrayList;import pack.money.entity.Client;

import pack.money.entity.ClientMessage;

public class ClientPersistent {

//private static int a=0;

private static String t,b;//t是password b是clinetname

private static ClientPersistent sp;

public static ClientPersistent getClientPersistent() {

if (sp == null) {

sp = new ClientPersistent();

}

return sp;

}

private ClientMessage getClientMessage(ResultSet rs) throws Exception{

ClientMessage student=new ClientMessage();

student.setMoney(rs.getFloat("money"));

student.setType(rs.getString("type"));

student.setClientName(rs.getString("ClientName"));

student.setTransactionID(rs.getInt("TransactionID"));

return student;

}

public Client login(Connection con,String ClientName,String password) throws Exception{

String sql="select balance,password,ClientName from Client where ClientName=? and password=?";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1, ClientName);

ps.setString(2, password);

ResultSet rs=ps.executeQuery();

t=password;

b=ClientName;

System.out.println(t);

System.out.println(b);

if(rs.next()){

Client client=new Client();

client.setClientName(rs.getString("ClientName"));

client.setPassword(rs.getString("password"));

return client; }

throw new Exception("Can not login, the accountID or password has error. ");

} public void save(Connection con ,String money)throws Exception

{ // a++;

String s="save";

float g=Float.parseFloat(money);

String sql="update Client set balance=balance+? where ClientName=?";

String sql1="insert into ATMTransaction(ClientName,Type,money) values(?,?,?) ";

PreparedStatement ps=con.prepareStatement(sql);

PreparedStatement ps1=con.prepareStatement(sql1);

ps.setFloat(1, g);

ps.setString(2,b);

//ps1.setInt(1,a);

ps1.setString(1,b);

ps1.setString(2,s);

ps1.setFloat(3,g);

ps.executeUpdate();

ps1.executeUpdate();

}

public void withDraw (Connection con ,String money)throws Exception

{ //a++;

String s="WithDraw";

float x=Float.parseFloat(money);

String sql="update Client set balance=balance-? where ClientName=?";

String sql1="insert into ATMTransaction(ClientName,Type,money) values(?,?,?)";

PreparedStatement ps=con.prepareStatement(sql);

PreparedStatement ps1=con.prepareStatement(sql1);

ps.setFloat(1, x);

ps.setString(2,b);

//ps1.setInt(1,a);

ps1.setString(1,b);

ps1.setString(2,s);

ps1.setFloat(3,x);

ps.executeUpdate();

ps1.executeUpdate();

}

public String changePassword(Connection con, String OldPassWord,String newPassWord1,String newPassWord2)

throws Exception

{

if(t.equals(OldPassWord))

{

if(newPassWord1.equals(newPassWord2))

{

String sql="update Client set password=? where ClientName=?";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1, newPassWord1);

ps.setString(2,b);

ps.executeUpdate();

String j="dsfasdf";

return j;

}

else

{System.out.print("确认密码错误！");br return null;}

}

else

{ return null;

}

public ArrayListClientMessage disPlayAll(Connection con ) throws Exception

{

String sql="select * from ATMTransaction where ClientName=? ";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1,b);

System.out.println(b+"****b****");

ResultSet rs=ps.executeQuery();

ArrayListClientMessage message=new ArrayListClientMessage();

while(rs.next()){

message.add(this.getClientMessage(rs));

}

return message;

}

public float showBalance(Connection con ) throws Exception

{

String sql="select balance from Client where ClientName=?";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1, b);

ResultSet rs=ps.executeQuery();

if(rs.next())

{

float s;

s=rs.getFloat("balance");

return s;

}

else return 0 ;

}

Q2: 用JAVA编程设计一个银行账户类，其中包括以下内容，并用字符界面模拟存款和取款过程。

import java.util.Scanner;

public class ZH {

private String zh;//账户

private String password;//密码

private String openTime;//开户时间

private String sfz;//身份证号

private double je;//存款金额

public String getZh() {

return zh;

}

public void setZh(String zh) {

this.zh = zh;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String getOpenTime() {

return openTime;

}

public void setOpenTime(String openTime) {

this.openTime = openTime;

}

public String getSfz() {

return sfz;

}

public void setSfz(String sfz) {

this.sfz = sfz;

}

public double getJe() {

return je;

}

public void setJe(double je) {

this.je = je;

}

//存款方法

public void ck(double je){

this.je=this.je+je;//存入的金额加上原有的金额

}

//取款方法

public void qk(double je){

if(jethis.je){//取款金额大于余额

System.out.println("存款余额不足");

}else{

this.je=this.je-je;//原有的金额减去取出的金额

}

public static void main(String[] args) {

ZH zh = new ZH();//初始化一个账户信息

zh.setJe(10000.0);//向zh账户添加余额

zh.setOpenTime("2013.12.3");//向zh账户添加开发时间

zh.setPassword("123456");//向zh账户添加密码

zh.setSfz("123456789");//向zh账户添加身份证

zh.setZh("zhangsan");//向zh账户添加账号

System.out.println("欢迎光临模拟银行");

Scanner scan = new Scanner(System.in);

int count=0;//记录输入错误的次数

while(1==1){//循环

System.out.println("请输入账号");

String zhm=scan.next();

System.out.println("请输入密码");

String mm=scan.next();

if(zhm.equals(zh.getZh()) mm.equals(zh.getPassword())){//输入的信息与zh账户信息的密码和账号一致

while(1==1){

System.out.println("当前余额为："+zh.getJe()+"元。请选择操作：1.存款；2.取款；3.退出（只能输入数字）");

String cz=scan.next();

switch (Integer.parseInt(cz)) {

case 1:

System.out.println("请输入存款金额（输入小数）");

double ckje=scan.nextDouble();

zh.ck(ckje);

System.out.println("实施存款："+ckje+"元，当前余额为"+zh.getJe()+"元");

break;

case 2:

System.out.println("请输入取款金额（输入小数）");

double qkje=scan.nextDouble();

zh.qk(qkje);

System.out.println("实施取款："+qkje+"元，当前余额为"+zh.getJe()+"元");

break;

case 3:

break;

default:

System.out.println("暂无此功能");//输入1或者2、3以外的操作

break;

}

if("3".equals(cz)){

break;

}

System.out.println("退出操作");

break;

}else{

if(count=3){

System.out.println("已输入错误三次，账号被锁");

break;//结束循环

}else{

System.out.println("账号或密码错误，请重新输入");

count++;//错误一次count+1

continue;//进入下次循环

}

Q3: 用java编写一个银行新用户现金业务办理程序

public class Account {

protected String accId;

protected String name;

protected double money;

public Account (String accId,String name){

this(accId,name,0);

}

public Account (String accId,String name,double money){

this.accId = accId;

this.name = name;

this.money = money;

}

public void saveMoney(double money){

if(money = 0){

System.out.println("存款金额必须大于0");

}

this.money += money;

System.out.println("存款成功");

}

public double getMoney(double money){

if(money = 0){

System.out.println("取款金额必须大于0");

return 0;

}

if(this.money = money){

System.out.println("余额不足，无法取款");

return 0;

}

this.money -= money;

System.out.println("取款成功");

return money;

}

public double getBalance(){

return this.money;

}

protected double getOverdraft(){

return 0;

}

// 实现了equals方法，list比较时才能正确

@Override

public boolean equals(Object obj) {

if(obj == null){

return false;

}

if(this == obj){

return true;

}

if(obj instanceof Account){

return this.accId.equals(((Account)obj).accId);

}

return false;

}

@Override

public String toString() {

return "账户=" + accId + ",名字=" + name + ",余额=" + money;

}

public class Bank {

// Account实现了equals方法，list查找时才能正确

private ListAccount usersAccounts;

public Bank() {

usersAccounts = new ArrayListAccount();

}

public void addAccount(Account account) {

if (usersAccounts.contains(account)) {

System.out.println("添加失败，不能添加同样的账户");

return;

}

usersAccounts.add(account);

}

public boolean delAccount(Account account) {

return usersAccounts.remove(account);

}

public boolean delAccount(String accId) {

return delAccount(new Account(accId, null));

}

public boolean existAccount(Account account) {

return usersAccounts.contains(account);

}

public boolean existAccount(String accId) {

return existAccount(new Account(accId, null));

}

public Account getAccount(String accId){

return usersAccounts.get(usersAccounts.indexOf(new Account(accId, null)));

}

public double getAllMoney() {

// 不考虑是否溢出，只是把所有用户余额相加

double result = 0;

for (Account account : usersAccounts) {

result += account.getBalance();

}

return result;

}

public double getAllOverdraft() {

// 不考虑是否溢出

double result = 0;

for (Account account : usersAccounts) {

result += account.getOverdraft();

}

return result;

}

public int getAccountNum() {

return usersAccounts.size();

}

public int getCreditAccountNum() {

int num = 0;

for (Account account : usersAccounts) {

// instanceof 性能没有简单的方法快。

if (account instanceof CreditAccount) {

num++;

}

return num;

}

public int getSavingAccountNum() {

int num = 0;

for (Account account : usersAccounts) {

if (account instanceof SavingAccount) {

num++;

}

return num;

}

public ListAccount getAllAccount() {

return usersAccounts;

}

public class CreditAccount extends Account{

private double overdraft;

public CreditAccount(String accId,String name){

super(accId, name);

this.overdraft = 1000;

}

public CreditAccount(String accId,String name,double money){

this(accId, name,money,1000);

}

public CreditAccount(String accId,String name,double money,double overdraft){

super(accId, name,money);

this.overdraft = overdraft;

}

@Override

public double getMoney(double money) {

if(money = 0){

System.out.println("取款金额必须大于0");

return 0;

}

if(this.money + overdraft = money){

System.out.println("余额不足，无法取款");

return 0;

}

this.money -= money;

System.out.println("取款成功");

return money;

}

@Override

public double getOverdraft(){

return overdraft;

}

@Override

public String toString() {

return "账户=" + accId + ",名字=" + name + ",余额=" + money + ",透支=" + overdraft;

}

public class SavingAccount extends Account {

public SavingAccount(String accId, String name) {

super(accId, name);

}

public SavingAccount(String accId, String name, double money) {

super(accId, name, money);

}

@Override

public double getMoney(double money) {

return super.getMoney(money);

}

@Override

public double getOverdraft() {

return super.getOverdraft();

}

public class Test {

private static Bank bank = new Bank();

public static void main(String[] args) {

Test.genAccount();

// 开户

Account a1 = new CreditAccount("1", "1", 200, 2000);

Account a2 = new SavingAccount("2", "2", 300);

Account a3 = new SavingAccount("3", "3", 400);

Account a4 = new CreditAccount("4", "4", 500, 2000);

Account a5 = new CreditAccount("4", "5", 600, 2000); // 帐号4重

bank.addAccount(a1);

bank.addAccount(a2);

bank.addAccount(a3);

bank.addAccount(a4);

bank.addAccount(a5);

showNowAccount();

// 销户

bank.delAccount("1");

bank.delAccount("2");

showNowAccount();

// 存款

if(bank.existAccount("3")){

Account acc = bank.getAccount("3");

acc.saveMoney(100);

}

showNowAccount();

// 取款

if(bank.existAccount("3")){

Account acc = bank.getAccount("3");