Code:
using System;
class Exercise
{
static void Main()
{
double Num1, Num2;
double Result = 0.00;
char op;
try
{
Console.Write("Enter your First Number : ");
Num1 = double.Parse(Console.ReadLine());
Console.Write("Enter an Operator (+, -, * or /): ");
op = char.Parse(Console.ReadLine());
if (op != '+' && op != '-' &&
op != '*' && op != '/')
throw new Exception(op.ToString());
Console.Write("Enter your Second Number :");
Num2 = double.Parse(Console.ReadLine());
if (op == '/')
if (Num2 == 0)
throw new DivideByZeroException("Division by zero is not allowed");
Result = Calculator(Num1, Num2, op);
Console.WriteLine("\n{0} {1} {2} = {3}", Num1, op, Num2, Result);
}
catch (FormatException)
{
Console.WriteLine("The number you typed is not valid");
}
catch (DivideByZeroException ex)
{
Console.WriteLine(ex.Message);
}
catch (Exception ex)
{
Console.WriteLine("Operation Error: {0} is not a valid op", ex.Message);
}
Console.Read();
}
static double Calculator(double v1, double v2, char op)
{
double Result = 0.00;
switch (op)
{
case '+':
Result = v1 + v2;
break;
case '-':
Result = v1 - v2;
break;
case '*':
Result = v1 * v2;
break;
case '/':
Result = v1 / v2;
break;
}
return Result;
}
}
Output:
Enter Your First Number : 10
Enter an Operator (+, -, * or /) : ,
Operation Error : , is not a Valid Operator
More C# Programs: