Several catch branches : Exception Try Catch « Language Basics « C# / C Sharp






  1. C# / C Sharp
  2. Language Basics
  3. Exception Try Catch

Several catch branches

Several catch branches
/*
Learning C# 
by Jesse Liberty

Publisher: O'Reilly 
ISBN: 0596003765
*/

 using System;

 namespace ExceptionHandling
 {
    public class TesterExceptionHandling4
    {

       public void Run()
       {
           try
           {
               double a = 5;
               double b = 0;
               Console.WriteLine("Dividing {0} by {1}...",a,b);
               Console.WriteLine ("{0} / {1} = {2}",
                   a, b, DoDivide(a,b));
           }

               // most derived exception type first
           catch (System.DivideByZeroException)
           {
               Console.WriteLine(
                   "DivideByZeroException caught!");
           }

           catch (System.ArithmeticException)
           {
               Console.WriteLine(
                   "ArithmeticException caught!");
           }

               // generic exception type last
           catch
           {
               Console.WriteLine(
                   "Unknown exception caught");
           }
       }

        // do the division if legal
        public double DoDivide(double a, double b)
        {
            if (b == 0)
                throw new System.DivideByZeroException();
            if (a == 0)
                throw new System.ArithmeticException();
            return a/b;
        }


        static void Main()
        {
            Console.WriteLine("Enter Main...");
            TesterExceptionHandling4 t = new TesterExceptionHandling4();
            t.Run();
            Console.WriteLine("Exit Main...");
        }


    }
 }








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