public static void Main(string[] args)
{
ConcreteVisitor visitor = new ConcreteVisitor();
ConcreteElement1 concreteElement1 = new ConcreteElement1();
concreteElement1.accept(visitor);
ConcreteElement2 concreteElement2 = new ConcreteElement2();
concreteElement2.accept(visitor);
}
static void Main(string[] args)
{
ConcreteVisitor vistor = new ConcreteVisitor();
ConcreteElementA elementA = new ConcreteElementA("Data in element A.");
ConcreteElementB elementB = new ConcreteElementB("Data in element B.");
Console.WriteLine(vistor.Vist(elementA));
Console.WriteLine();
Console.WriteLine(vistor.Vist(elementB));
}