Answer to Question #240049 in C# for Gayatri

Question

There is a Change request from the customer. It is as follows:

You need to calculate Interest paid by banks on Saving Account.

Task 1 : Add a function declaration “void CalculateInterest()” in the interface. Define the functions in the concrete classes such as ICICI accounts get 7% interest and HSBC gives 5% interest.

Answer 1

For class ICICI:
  public void CalculateInterest()
        {
            if (AccountType == BankAccountTypeEnum.Saving)
            {
                double savingsBalance = balance;
                savingsBalance *= (1 + (7.0 / 100 / 12));
                Console.WriteLine("Balance for ICICI account: {0}", savingsBalance.ToString("C"));
            }
            else {
                Console.WriteLine("Balance for ICICI account: {0}",balance);
            }
        }

For class HSBC:

public void CalculateInterest()
        {
            if (AccountType == BankAccountTypeEnum.Saving)
            {
                double savingsBalance = balance;
                savingsBalance *= (1 + (5.0 / 100 / 12));
                Console.WriteLine("Balance for HSBC account: {0}", savingsBalance.ToString("C"));
            }
            else
            {
                Console.WriteLine("Balance for HSBC account: {0}",balance);
            }
        }