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Java代码银行存钱取钱 java存款取款
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使用JAVA编写一个简单的银行存取款程序
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();
}
}
相关问答
Q1: 如何用Java线程实现银行的存款取款问题最好能写出编出的具体程序
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+m;System.out.println("晓明存入["+m+"元]");}public void withdraw(int m) //定义取款的方法{amount=amount-m;System.out.println("张新取走["+m+"元]");if(amount0)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 name;BankAccount bs; //定义一个具体的账户对象public Customer(BankAccount b,String s){name=s;bs=b;}public static void cus(String name,BankAccount bs) //具体的账户操作方法{if(name.equals("小明")) //判断用户是不是小明{try{for(int i=0;i6;i++) //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=0;i6;i++) //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);}}
Q2: java银行存取款代码问题,做得好我就追加悬赏
您好,
创建状态
使用new运算符创建一个线程后,该线程仅仅是一个空对象,系统没有分配资源,称该线程处于创建状态(new thread)
可运行状态
使用start()方法启动一个线程后,系统为该线程分配了除CPU外的所需资源,使该线程处于可运行状态(Runnable)
运行中状态
Java运行系统通过调度选中一个Runnable的线程,使其占有CPU并转为运行中状态(Running)。此时,系统真正执行线程的run()方法。
package pack.java.thread.atm;
/**
* 账户类;
* @author Administrator
*
*/
public class Account {
private String name; //用户名;
private int value; //账户余额;
/**
* 存入金额;
* @param monery
*/
public void putMonery(int monery){
this.value = this.value + monery;
}
/**
* 取出金额;
* @param monery
* @return 金额;
*/
public int getMonery(int monery){
//判断是否账户余额是否大于 要取出的钱;
if(this.value monery ){
this.value = this.value - monery;
}else{
monery = this.value; //账户余额不够时,则取出,所有的账户余额的金额.
this.value = 0;
}
//返回取出的钱;
return monery;
}
/**
* 查询余额;
* @return 返回账户余额;
*/
public int search(){
return this.value;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getValue() {
return value;
}
public void setValue(int value) {
this.value = value;
}
}
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