OOP & Design Patterns - Design Snake and Ladder Game - LLD End-to-End
Which class in a well-designed Snake and Ladder game should be responsible for validating and updating a player's position after a dice roll?
Which class in a well-designed Snake and Ladder game should be responsible for validating and updating a player's position after a dice roll?
easy🔍 Pattern Recognition Q2 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand responsibilities
Player holds position but shouldn't enforce rules; Dice only generates numbers; GameBoard knows layout but not game flow.Step 2: Identify coordinator role
GameController manages game rules, validates moves, and updates player positions accordingly.Final Answer:
Option A -> Option AQuick Check:
GameController centralizes rules and state updates [OK]
Quick Trick: Game flow control -> GameController [OK]
Common Mistakes:
MISTAKES- Assigning validation to Player class
- Expecting Dice to update positions
- Putting move logic in GameBoard
Trap Explanation:
PITFALL- Candidates confuse data ownership with responsibility for enforcing rules, leading them to pick Player or GameBoard incorrectly.
Interviewer Note:
CONTEXT- Checks understanding of separation of concerns and responsibility assignment
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