Answer to Question #212610 in C# for priya

Question #212610

Let’s build a sample banking program to perform the common tasks like Withdraw and Deposit. Task 1: Create a class library project and Add a Class called BankAccount. This class needs to implement the IBankAccount Interface. Task 2: Define a enum as follows. This enum will be used as


1
Expert's answer
2021-07-01T13:19:22-0400
The file IBankAccount.cs


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


namespace BankAccountLibrary
{
    public abstract class IBankAccount
    {
        public abstract void Withdraw(double amount);
        public abstract void Deposit(double amount);
    }
}

The file BankAccount.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


namespace BankAccountLibrary
{
    public class BankAccount : IBankAccount
    {
        private double balance;


        public BankAccount(double amount)
        {
            balance = amount;
        }


        public override void Deposit(double amount)
        {
            balance += amount;
            Console.WriteLine("The amount has been deposited.");


        }


        public override void Withdraw(double amount)
        {
            if (amount <= balance) {
                balance -= amount;
                Console.WriteLine("The amount has been withdrawed.");
            }
        }


        public void DisplayCurrentBalance()
        {
            Console.WriteLine("The current balance of the account is: {0}", balance);
        }
    }
}

The file Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using BankAccountLibrary;


namespace Q212610
{
    enum Option {DEPOSIT=1,WITHDRAW=2,CURRENT_BALANCE=3,EXIT=4}
    class Program
    {
    
        static void Main(string[] args)
        {


            Option option = Option.CURRENT_BALANCE;
            double amount;
            BankAccount userAccount = new BankAccount(0);
            while (option != Option.EXIT)
            {
                //Main menu
                Console.WriteLine("1. Deposit an amount into the account.");
                Console.WriteLine("2. Withdraw an amount from the account.");
                Console.WriteLine("3. View the current balance of the account.");
                Console.WriteLine("4. Exit.");
                Console.Write("Your choice: ");
                option = (Option)int.Parse(Console.ReadLine());
                //Deposit an amount into the account
                if (option == Option.DEPOSIT)
                {
                    Console.Write("Enter the amount to deposit: ");
                    double.TryParse(Console.ReadLine(), out amount);
                    userAccount.Deposit(amount);
                }
                else if (option == Option.WITHDRAW)//Withdraw an amount from the account.
                {
                    Console.Write("Enter the amount to withdraw: ");
                    double.TryParse(Console.ReadLine(), out amount);
                    userAccount.Withdraw(amount);
                }
                else if (option == Option.CURRENT_BALANCE )//View the current balance of the account
                {
                    userAccount.DisplayCurrentBalance();
                }
                else if (option == Option.EXIT)
                {
                    //Exit
                }
                else
                {
                    Console.WriteLine("Wrong menu item.");
                }
            }
        }


    }
}





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