Question

好吧，我正在创建一个小型银行软件，用户可以在其中选择A / C类型，并根据这些帐户使用不同的功能。我们知道，与当前的A / C不同，保存A / C只会收到利息。当前的A / C仅具有透支货币的功能。使用这两个概念，我试图制作一个小型的CLI应用程序。

package Bank;
import java.util.Scanner;

public class Bank {
    float Principal, Rate, Time, num;
    public void setProperties(float P, float R, float T){
        Principal = P; Rate = R; Time = T;
    }
}
class BankAccount extends Bank {

    public void accountType() {
        Scanner haha = new Scanner(System.in);
        System.out.println("What type of Bank a/c do have?" + "\n" + "1.Saving A/C" + "\n" + "2.Current A/C");
        int num = haha.nextInt();
        if (num == 1) {
            System.out.println("Saving A/C");
         } else if(num == 2) {
            System.out.println("Current A/C");
         } else {
            System.out.println("You enter invalid number");
        }
    }

    class SavingAccount extends BankAccount {
        public void Intrest(float P, float R, float T) {
            float Intrest = P * R * T;
            float SavingAmount = Intrest + P;
            System.out.println("You have: " + SavingAmount);
        }

        class CurrentAccount extends BankAccount {
            public void cash() {
                System.out.println("You have: " + Principal);
            }

            public static void main(String[] args) {
                    BankAccount haha = new BankAccount();
                    SavingAccount hahaha = new SavingAccount();
                    CurrentAccount hahahaha = new CurrentAccount();
                    haha.AccountType();

            }
        }
    }
}

我被困住了，绝望了。不知道该怎么做（新手）。 （任何帮助/想法都将受到赞赏） 我正在尝试连接所有并进行处理。这花了很多小时。在放弃之前，我想过为什么不尝试一下Stackoverflow。

Answer 1

import java.util.Scanner;

public class Bank {
    float Principal, Rate, Time, num;
    public void setProperties(float P, float R, float T){
        Principal = P; Rate = R; Time = T;
    }
     public static void main(String[] args) {
             BankAccount haha = new BankAccount();
             haha.setProperties(2000.0f , 10.0f , 2.0f);
             haha.accountType();

        }
}

class BankAccount extends Bank {

public void accountType() {
    Scanner haha = new Scanner(System.in);
    System.out.println("What type of Bank a/c do have? " + "/n" + "1.Saving A/C" + "/n" + "2.Current A/C");
    int num = haha.nextInt();
    if (num == 1) {
        System.out.println("Saving A/C");
        SavingAccount hahaha = new SavingAccount();
        hahaha.interest(Principal, Rate, Time);

     } else if(num == 2) {
        System.out.println("Current A/C");
        CurrentAccount hahahaha = new CurrentAccount();
        hahahaha.cash(Principal);
     } 
     else {
        System.out.println("You enter invalid number");

    }
}
}
    class SavingAccount extends BankAccount {
        public void interest(float P, float R, float T) {
            float Intrest = P * R * T;
            float SavingAmount = Intrest + P;
            System.out.println("You have: " + SavingAmount);
        }
    }
        class CurrentAccount extends BankAccount {
            public void cash(float principal) {
                System.out.println("You have: " + principal);
            }
        }

尝试上面的代码。我希望这就是您的期望。

我正在尝试创建一个小的Java应用程序来解释继承，这就是我到目前为止所得到的

1 个答案: