using System;
using System.Collections;

class Class1 {
   static void Main(string[] args) {
    try {
      // Display the first 200 chars from the connection string
      Console.WriteLine("asdf".Substring(1, 200));
    }
    catch (Exception objE) {
      Console.WriteLine(objE.ToString());
    }
   }
}

           
          

   

using System;

class ArgumentNullTest {
 public static void Main() {
   String[] s = null;
   String sep = " ";
   try {
     String j = String.Join(sep,s);
   }
   catch (ArgumentNullException e) {
      Console.WriteLine("Error: {0}",e);
   }
 }
}

           
          

   

using System;
using System.Collections;

public class InvalidOpExample  {
  public static void Main()  {
    int[] array = {0,0};
    IEnumerator enumerator = array.GetEnumerator();
    Console.Write("{0}",enumerator.Current);
  }
}

           
          

   

using System;
using System.Collections;

class Class1 {
   static void Main(string[] args) {
    Exception objException = new Exception();

    try {
      objException = null;
      Console.WriteLine(objException.Message);
    } catch (Exception objE) {
      Console.WriteLine(objE.ToString());
    }
   }
}


           
          

   


using System;
using System.Collections;

class Class1 {
   static void Main(string[] args) {
    long[] longException = new long[2];

    try {
      longException[2] = 5;
    }
    catch (Exception objE) {
      Console.WriteLine(objE.ToString());
    }
   }
}

           
          

   

using System;
   
class MainClass {
    public static void Main() {
        try {
            checked {
                int Integer1;
                int Integer2;
                int Sum;
   
                Integer1 = 2000000000;
                Integer2 = 2000000000;
                Sum = Integer1 + Integer2;
            }
        } catch(OverflowException) {
            Console.WriteLine("A mathematical operation caused an overflow.");
        }
    }
}
           
          

   

using System;
   
class MainClass
{
    public static void Main()
    {
        try
        {
            int [] IntegerArray = new int [5];
   
            IntegerArray[10] = 123;
   
            // wait for user to acknowledge the results
            Console.WriteLine("Hit Enter to terminate...");
            Console.Read();
        }
        catch(IndexOutOfRangeException)
        {
            Console.WriteLine("An invalid element index access was attempted.");
        }
    }
}