Blackjack's classes

We will begin by defining the classes which will be used in order to separate out different aspects of the game of blackjack. We will model three of the components of the game:

• Card: A basic playing card. The card belongs to a suit and is worth a certain value.
• Deck: A collection of cards. The deck shrinks as cards are drawn and contains 52 unique cards.
• Hand: Each player's assigned cards. A hand is what defines each player's score and thus who wins.

Let's begin with the simplest concept—the Card.