static void Main(string[] args)
{
try
{
ArithmeticOperations ao = new ArithmeticOperations();
Console.WriteLine("Enter Two Integers : ");
int firstNumber = Convert.ToInt32(Console.ReadLine());
int secondNumber = Convert.ToInt32(Console.ReadLine());
if (firstNumber < 0 || secondNumber < 0)
{
throw (new CustomException("Input numbers cannot be negative"));
}
Console.WriteLine("Enter choice : \n 1.Add \n 2.Subtract \n 3.Multiply \n 4.Divide");
int choice = Convert.ToInt16(Console.ReadLine());
switch (choice)
{
case 1:
Console.WriteLine("Result of Addition : {0}", ao.MyAdd(firstNumber, secondNumber));
break;
case 2:
Console.WriteLine("Result of Subtraction : {0}", ao.MySubtract(firstNumber, secondNumber));
break;
case 3:
Console.WriteLine("Result of Multiplication : {0}", ao.MyMultiply(firstNumber, secondNumber));
break;
case 4:
Console.WriteLine("Result of Division : {0}", ao.MyDivide(firstNumber, secondNumber));
break;
default:
Console.WriteLine("Invalid choice");
break;
}
}
catch (DivideByZeroException e)
{
Console.WriteLine(e);
}
catch (FormatException e)
{
Console.WriteLine(e.StackTrace);
}
catch (InvalidCastException e)
{
Console.WriteLine(e.InnerException);
}
catch (NullReferenceException e)
{
Console.WriteLine(e.Message);
}
catch (CustomException e)
{
Console.WriteLine(e.Message + " (This is a Custom Exception)");
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
Console.ReadKey();
}