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OOD - Othello (Reversi) Game

mediumLast edited: January 1, 2026

1. Problem Statement
2. System Requirements
3. Use Case Diagram
4. Class Diagram
5. Activity Diagrams
Making a Move
Game Flow
6. Java Implementation
7. Design Patterns Applied
1. Immutable Value Object (Position)
2. Strategy Pattern (Move Validation)
3. Enum Pattern (Direction, Piece, GameState)
4. Model-View-Controller (MVC) Architecture
5. Encapsulation (Cell State Management)
6. Factory Method Pattern (Board Initialization)
8. Key Design Decisions
Decision 1: Immutable Position Class
Decision 2: Separate MoveValidator Class
Decision 3: Direction Enum with Deltas
Decision 4: Cell-Based Board Representation
Decision 5: Piece Count Recalculation
Decision 6: Validator Returns Flippable List
Decision 7: No Undo/Redo Initially
Decision 8: Console-Based UI
Decision 9: Pass Turn When No Moves
Decision 10: Piece.EMPTY vs null

Related Tags

ctci oop ood-object-oriented-design board-game game-logic

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