public static void Demo()
{
var monkey = new Monkey();
var lion = new Lion();
var dolphin = new Dolphin();
var speak = new Speak();
monkey.Accept(speak); // Ooh oo aa aa!
lion.Accept(speak); // Roaaar!
dolphin.Accept(speak); // Tuut tutt tuutt!
// Another operation
var jump = new Jump();
monkey.Accept(jump); // Jumped 20 feet high! on to the tree!
lion.Accept(jump); // Jumped 7 feet! Back on the ground!
dolphin.Accept(jump); // Walked on water a little and disappeared
Console.ReadLine();
}
public void VisitDolphin(Dolphin dolphin)
{
Console.WriteLine("Walked on water a little and disappeared");
}