exception/rethrowing/1/prog.cs - Rethrowing an exception.

Lecture 9 - slide 25 : 30 Program 1

using System;

class ExceptionDemo{    
                        
  public static void Main(){
    Console.WriteLine("Main");
    int[] table = new int[6]{10,11,12,13,14,15};
    int idx = 6;
    M(table, idx);      
  }

  public static void M(int[] table, int idx){
    Console.WriteLine("M(table,{0})", idx);   
    N(table,idx);
  }

  public static void N(int[] table, int idx){     
    Console.WriteLine("N(table,{0})", idx);       
    try{
      P(table,idx);                          
    }
    catch (IndexOutOfRangeException e){           
      // Will not/cannot handle exception here.   
      // Rethrow original exception.              
      throw;                                      
    }                                             
  }                                               

  public static void P(int[] table, int idx){
    Console.WriteLine("P(table,{0})", idx);
    Console.WriteLine("Accessing element {0}: {1}", 
                       idx, table[idx]);          
  }
}