static void Main(string[] args) { Box Box1 = new Box(); // Declare Box1 of type Box Box Box2 = new Box(); // Declare Box2 of type Box Box Box3; // Declare Box3 of type Box // box 1 specification Box1.Length = 6.0; Box1.Width = 7.0; Box1.Height = 5.0; // box 2 specification Box2.Length = 12.0; Box2.Width = 13.0; Box2.Height = 10.0; // Add two object as follows: Box3 = Box1 + Box2; Box1.PrintBoxDetails(); Box2.PrintBoxDetails(); Box3.PrintBoxDetails(); if (Box1 != Box2) { Console.WriteLine("Box1 is not equal to Box2"); } if (Box1 == Box2) { Console.WriteLine("Box1 is equal to Box2"); } else { Console.WriteLine("Box1 is not equal to Box2"); } //*/ Person p = new Person { Name = "Ali", Age = 2 }; Console.WriteLine(p.ToString()); Person.Display("Shuja");//*/ }