CSharp - Handle multiple exceptions with multiple catch blocks in our program.

  1. HOME
  2. CSharp
  3. Exception
  4. catch Clause

Description

Handle multiple exceptions with multiple catch blocks in our program.

Demo

using System;

class Program/* w  w w  . j  a  v a  2 s.  c o m*/
{
    static void Main(string[] args)
    {
        string b1;
        int input;
        Console.WriteLine("Enter your choice( 0 or 1)");
        b1 = Console.ReadLine();
        //Checking whether we can parse the string as an integer
        if (int.TryParse(b1, out input))
        {
            Console.WriteLine("You have entered {0}", input);
            switch (input)
            {
                case 0:
                    int a = 100, b = 0;
                    try
                    {
                        int c = a / b;
                        Console.WriteLine(" So, the result of a/b is :{0}", c);
                    }
                    catch (DivideByZeroException ex)
                    {
                        Console.WriteLine("Encountered an exception with integers:{0}", ex.Message);
                        Console.WriteLine("Encountered an exception with integers:{0}", ex.StackTrace);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine("In Choice0.Exception block ..{0}", ex.Message);
                    }
                    break;
                case 1:
                    int[] myArray = { 1, 2, 3 };
                    try
                    {
                        Console.WriteLine(" myArray[0] :{0}", myArray[0]);

                        Console.WriteLine(" myArray[1] :{0}", myArray[1]);
                        Console.WriteLine(" myArray[2] :{0}", myArray[2]);
                        Console.WriteLine(" myArray[3] :{0}", myArray[3]);
                    }
                    catch (IndexOutOfRangeException ex)
                    {
                        Console.WriteLine("Encountered an exception with array elements :{0}", ex.Message);
                        Console.WriteLine("Encountered an exception with array elements :{0}", ex.StackTrace);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine("In Choice1.Exception block ..{0}", ex.Message);
                    }

                    break;
                default:
                    Console.WriteLine("You must enter either 0 or 1");
                    break;
            }
        }
        else
        {
            Console.WriteLine("Wrong input!");
        }
    }
}

Result

Related Topic