using System; namespace DemoOOP1 { class Program { static void Main(string[] args) { Console.WriteLine("Hello World!"); int number = 10; // Create an object (instantiation) SimpleMath myMath1 = new SimpleMath(); SimpleMath myMath2 = new SimpleMath(); myMath1._number1 = 90; myMath2._number1 = 45; Console.WriteLine(myMath1._number1); Console.WriteLine(myMath2._number1); SimpleMath[] maths = new SimpleMath[2]; maths[0] = myMath1; maths[1] = myMath2; Console.ReadKey(); // Pause } } }