Mega Code Archive
How to use a has a relationship
<![CDATA[
public class Engine
{
public int cylinders;
public int horsepower;
public void Start()
{
System.Console.WriteLine("Engine started");
}
}
public class Car
{
public string make;
public Engine engine; // Car has an Engine
public void Start()
{
engine.Start();
}
}
class MainClass
{
public static void Main()
{
System.Console.WriteLine("Creating a Car object");
Car myCar = new Car();
myCar.make = "Toyota";
System.Console.WriteLine("Creating an Engine object");
myCar.engine = new Engine();
myCar.engine.cylinders = 4;
myCar.engine.horsepower = 180;
System.Console.WriteLine("myCar.make = " + myCar.make);
System.Console.WriteLine("myCar.engine.cylinders = " + myCar.engine.cylinders);
System.Console.WriteLine("myCar.engine.horsepower = " + myCar.engine.horsepower);
myCar.Start();
}
}
Creating a Car object
Creating an Engine object
myCar.make = Toyota
myCar.engine.cylinders = 4
myCar.engine.horsepower = 180
Engine started
]]>