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Chapter 4: Learning Just Enough C# and VB.NET: Intermediate Syntax 99
' Implement Checking logic
CurrentBalance += amount
Console.Writeline("Added " & amount.ToString() &
" to Checking Account")
End Sub
Public Sub Debit(ByVal amount As Decimal) Implements IAccount.Debit
' Implement Checking logic
CurrentBalance -= amount
Console.Writeline("Debited " + amount.ToString() +
" from Checking Account")
End Sub
Public Property CurrentBalance As Decimal Implements IAccount.
CurrentBalance
End Class
Listing 4-4 Saving class that implements IAccount interface
C#:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace FirstProgram
{
class Saving : IAccount
{
public void Credit(decimal amount)
{
// implement savings logic
CurrentBalance += amount;
Console.Writeline("Added " + amount.ToString() +
" to Saving Account");
}
public void Debit(decimal amount)
{
// implement savings logic
CurrentBalance -= amount;
Console.Writeline("Debited " + amount.ToString() +
" from Saving Account");
}