Answer to Question #200414 in C# for Pule Mokone

Question #200414





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System Background

 

A company approached you to develop a Software Application to handle transactions performed by a user on their accounts. Each user has a balance that indicates the current amount of money in the account. The following transaction operations can be performed by a user:

 

  • Deposit an amount into the account.
  • Withdraw an amount from the account.
  • View the current balance of the account.
  • Cancel a transaction.

System Requirements




 

The company asked you to develop a C# Console Application prototype to simulate the transactions for one user.

 

This user should have an initial (hard-coded) balance of R 10 000.00

The user should be presented with the following options to choose a specific transaction that needs to be performed:




1
Expert's answer
2021-05-30T07:10:46-0400
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;


namespace Q200414
{
    class Program
    {
        class Account
        {
            private double balance;
            //property
            public double Balance
            {
                get { return balance; }
                set { balance = value; }
            }
            /// <summary>
            /// Constructor
            /// </summary>
            public Account()
            {
                this.balance = 10000.00;
            }
            /// <summary>
            /// Deposit amount
            /// </summary>
            /// <param name="amount"></param>
            public void Deposit(double amount)
            {
                if (amount > 0)
                {
                    this.balance += amount;
                    Console.WriteLine("\nThe amount has been deposited.\n");
                }
                else
                {
                    Console.WriteLine("\nThe amount is negative.\n");
                }


            }
            /// <summary>
            /// Withdraw amount
            /// </summary>
            /// <param name="amount"></param>
            public void Withdraw(double amount)
            {
                if (this.balance >= amount)
                {
                    this.balance -= amount;
                    Console.WriteLine("\nThe amount has been withdrawed.\n");
                }
                else
                {
                    Console.WriteLine("\nBalance < amount\n");
                }
            }
        }




        static void Main(string[] args)
        {
            int ch = -1;
            Account account = new Account();
            while (ch != 4)
            {
                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. Cancel a transaction.");
                Console.Write("> ");
                ch = int.Parse(Console.ReadLine());
                switch (ch)
                {
                    case 1:
                        {
                            //Deposit an amount into the account
                            Console.Write("Enter the amount to deposit: ");
                            double amount = double.Parse(Console.ReadLine());
                            account.Deposit(amount);


                        }
                        break;
                    case 2:
                        {
                            //Withdraw an amount from the account
                            Console.Write("Enter the amount to withdraw: ");
                            double amount = double.Parse(Console.ReadLine());
                            account.Withdraw(amount);


                        }
                        break;
                    case 3:
                        {
                            //View the current balance of the account
                            Console.WriteLine("\nThe current balance of the account {0}\n", account.Balance);
                        }
                        break;
                    case 4:
                        {
                            //exit
                        }
                        break;
                }
            }
        }
    }
}




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