Question

How to throw an exception from main program (class with main) in C#

Answer 1

using System;

public class Program {
    static int[] arr = { 4, 7, 0, 6, 1, 8 };
    
    static int GetNumber(int i) {
        if (i < 0 || i >= arr.Length) {
            throw new IndexOutOfRangeException();
        }
        return arr[i];
    }
    public static void Main() {
      try {
          Console.WriteLine(GetNumber(4));
          Console.WriteLine(GetNumber(99));
      }
      catch (IndexOutOfRangeException ex) {
         Console.WriteLine(ex.GetType().Name);
      }
   }
}




/*
run

1
IndexOutOfRangeException

*/

 

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