Java 上机----实训操作4---- 银行账户

模拟银行账户功能，要求属性有：账号、姓名、地址、存款余额；方法有：存款、取款、查询。如存款操作后，显示储户原有余额、今日存款数及最终存款余额；取款时若余额小于取款数，则拒绝取款。

执行代码：

import java.util.Scanner;
class bankaccount{
    long account;
    String name,address;
    double money;
    double inmoney;
    double outmoney;
    bankaccount(long account,String name,String address,double money){
        this.account=account;
        this.name=name;
        this.address=address;
        this.money=money;
    }
    void show() {
        System.out.println("账号："+account);
        System.out.println("姓名："+name);
        System.out.println("地址："+address);
        System.out.println("余额："+money);
    }
    void getinmoney(){
        Scanner sc1=new Scanner(System.in);
        System.out.println("请输入存款数目：");
        double in=sc1.nextDouble();
        System.out.println("您的存款数目为"+in+"元");
        System.out.println("账户余额："+(money+in)+"元");
        this.money=money+in;
    }
    void getoutmoney(){
        Scanner sc1=new Scanner(System.in);
        System.out.println("请输入取款数目：");
        double out=sc1.nextDouble();
        if(out>money){
            System.out.println("取款失败,余额不足！");
            System.out.println("账户余额："+money+"元");
        }
        else{
            System.out.println("您的取款数目为"+out+"元");
            System.out.println("账户余额："+(money-out)+"元");
        }
        this.money=money-out;
    }
    double getsearch(){
        return money;
    }
}
public class chengxu4 {
    public static void main(String args[]){
        System.out.println("当前账户信息：");
        bankaccount bank=new bankaccount(123456,"小红","陕西省西安市未央区",100000);
        bank.show();
        int P=0,n,a;
        do {
            System.out.println("请选择服务类型：");
            System.out.println("1.存款");
            System.out.println("2.取款");
            System.out.println("3.查询");
            Scanner sc=new Scanner(System.in);
            n=sc.nextInt();
            if(n==1){
                bank.getinmoney();
            }
            else if(n==2){
                bank.getoutmoney();
            }
            else if(n==3){
                System.out.println("当前余额为："+bank.getsearch()+"元");
            }
            else {
                System.out.println("请输入‘1’,‘2’或‘3’。");
                continue;
            }
            System.out.println("若要继续，请输入‘1’，否则退出系统");
            a=sc.nextInt();
            if(a!=1) {
                P=1;
            }
        }
        while(P==0);
        System.out.println("谢谢使用！");
    }
}

执行结果：



· 先调试再运行