Use Case Diagram for the Online Blackjack Game

Let’s build the use case diagram of the online Blackjack game and understand the relationships between its main actors and system functions. First, we’ll define the different elements of our system, followed by the main actors and their associated use cases.

System

Our system is an online Blackjack game. It manages player interactions, game rounds, betting, and outcomes between players and dealers.

Actors

Now, we’ll define the main actors of our Blackjack game.

Primary actors

• Player: The main participant in the game. A Player can join games, place bets, perform in-game actions (hit, stand, resign), and manage their account (create, update, reset password, cancel membership, login/logout).

Secondary actors

• Dealer: The Dealer manages the Blackjack table, controls the game flow, deals cards, enforces rules, and completes payouts. The Dealer may also manage player accounts (e.g., block members). ...