java 银行存取款_使用JAVA编写一个简单的银行存取款程序

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package com.lw.thread;

/*

银行账户类Account(不能透支)，32313133353236313431303231363533e78988e69d8331333332636366

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();

}

}