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云代码 - java代码库

银行管理

2017-04-22 作者： 云代码会员举报

[java]代码库

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import java.util.*;
public class UserInterface
{
    public static void main(String args[]){
        Cards card0 = new Cards();
        Cards card1 =new SavingsCard();
        Cards card2 =new CreditCard();
        int k=-1;
        Scanner scan = new Scanner(System.in);
        Scanner scan0 = new Scanner(System.in);
        Scanner scan1 = new Scanner(System.in);
        Scanner scan2 = new Scanner(System.in);
        do{
            System.out.println("银行卡管理系统");
            System.out.println("1.开卡");
            System.out.println("2.存款");
            System.out.println("3.取款");
            System.out.println("4.查询余额");
            System.out.println("0.退出系统");
            System.out.println("请输入:");
            k = scan.nextInt();
            switch(k){
                case(1):{
                    System.out.println("请输入开卡类型:\n1.储蓄卡\n2.信用卡");
                    int j;
                    j = scan0.nextInt();
                    switch(j){
                        case(1):{
                            card0 = card1;
                            System.out.println("您已开通储蓄卡！");
                            break;
                        }
                        case(2):{
                            card0 = card2;
                            System.out.println("您已开通信用卡！");
                            break;
                        }
                        default:{
                            System.out.println("非法输入。");
                            break;
                        }
                    }
                    break;
                }
                case(2):{
                    System.out.println("请输入存款金额:");
                    card0.saveMoney(scan1.nextDouble());
                    break;
                }
                case(3):{
                    System.out.println("请输入取款金额:");
                    card0.takeMoney(scan2.nextDouble());
                    break;
                }
                case(4):{
                    System.out.println("账户余额为:"+card0.getBalance());
                    break;
                }
                case(0):{
                    break;
                }
                default:{
                    System.out.println("非法输入。");
                }
            }
        }while(k!=0);
        scan.close();
        scan0.close();
        scan1.close();
        scan2.close();
    }
}

[源代码打包下载]




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