static void Main()
{
ContinentFactory africa = new AfricaFactory();
AnimalWorld world = new AnimalWorld(africa);
world.RunFoodChain();
ContinentFactory america = new AmericaFactory();
world = new AnimalWorld(america);
world.RunFoodChain();
Console.ReadLine();
}
/// <summary>
/// Entry point into console application.
/// </summary>
public static void Main()
{
// Create and run the African animal world
ContinentFactory africa = new AfricaFactory();
AnimalWorld world = new AnimalWorld(africa);
world.RunFoodChain();
// Create and run the American animal world
ContinentFactory america = new AmericaFactory();
world = new AnimalWorld(america);
world.RunFoodChain();
// Wait for user input
Console.ReadKey();
}