public static void Main1(string[] args)
{
Asteroid theAsteroid = new Asteroid();
ExplodingAsteroid theExplodingAsteroid = new ExplodingAsteroid();
SpaceShip theSpaceShip = new SpaceShip();
ApolloSpacecraft theApolloSpacecraft = new ApolloSpacecraft();
theAsteroid.CollideWith(theSpaceShip);
theAsteroid.CollideWith(theApolloSpacecraft);
theExplodingAsteroid.CollideWith(theSpaceShip);
theExplodingAsteroid.CollideWith(theApolloSpacecraft);
Console.WriteLine("-------------------------");
Asteroid theExplodingAsteroidRef = new ExplodingAsteroid();
SpaceShip theApolloSpacecraftRef = new ApolloSpacecraft();
theExplodingAsteroidRef.CollideWith(theApolloSpacecraftRef);
}
public override void CollideWith(ApolloSpacecraft ship)
{
Console.WriteLine("ExplodingAsteroid hit an ApolloSpacecraft");
}
public virtual void CollideWith(ApolloSpacecraft ship)
{
Console.WriteLine("Asteroid hit an ApolloSpacecraft");
}
