public static void ClientCode()
{
Originator originator = new Originator("Super-duper-super-puper-super.");
Caretaker caretaker = new Caretaker(originator);
caretaker.backup();
originator.doSomething();
caretaker.backup();
originator.doSomething();
caretaker.backup();
originator.doSomething();
Console.WriteLine();
caretaker.showHistory();
Console.Write("\nClient: Now, let's rollback!\n\n");
caretaker.undo();
Console.Write("\n\nClient: Once more!\n\n");
caretaker.undo();
Console.WriteLine();
}
