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v2.0: Rebuilt the core game logic in domain-driven-design.

Note: GUI is built merely to try out the core domain logic. It is not suitable for serious game. :)

Run Application

Run themain method in the UnoApp class or use the following command in the terminal:

./gradlew run

Run Unit Tests

./gradlew test

.

The core game logic is built according toofficial uno rules.

Cards are value objects, i.e. immutable. The following card types are available in Uno:

• Number Card
• Skip Action Card
• Reverse Action Card
• Draw Two Action Card
• Wild Color Card
• Wild Draw Four Card

Initially wild cards don't have a color. When drawn, a new value object is created with the chosen color.

Player is an entity which contains a list of hand cards to play.

PlayerRoundIterator manages the players and switches turn as if the players are in a round table.

Game is the aggregate which maintains the state ofplayers,draw pile anddiscard pile as the cards are played.

Game aggregate produces domain events usingDomainEventPublisher.

Subscribers can register for these events and handle them accordingly.