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

Description

Handle multiple exceptions with multiple catch blocks in our program.

Demo

using System;

class Program/*  w  w w .j  a  va  2s .  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