public static void Main()
Van van = new Van ("Ford", 2012);
Vehicle vehicle = new Vehicle ("Nissan", "Sentra",2002);
this.made = "Nissan Sentra 3";
public Van (string make, int year)
Console.WriteLine("My van is {0} {1}" , make, year);
private string _make { get; set;}
private string _model { get; set;}
private int _year { get; set;}
public Vehicle (string make, string model, int year)
Console.WriteLine("My vehicle is {0} {1} {2}", make, model, year);