question on c#

Problem Statement

John, a software developer in Zed Axis Technologies, needs to track the number of objects of a class that are created. For the same, he has been asked to create a class named ObjectCount. Help John to create a program containing the ObjectCount class. Solution To create the required program, John needs to perform the following steps: 1  Open Notepad.
 Write the following code in Notepad
:
using System;
 public class ObjectCount
{
 public static int count;
public ObjectCount()
 { count++;
 }
 public int display()

{
return count;
}
}
class Static
{
static int Main(string[] args)
 {
ObjectCount obj1 = new ObjectCount();
 ObjectCount obj2 = new ObjectCount();
 ObjectCount obj3 = new ObjectCount();
Console.WriteLine("Number of objects created are {0}", obj3.display());
Console.ReadLine();
return 0;
} }