Low Level Design & OOP
Design a Dating Application
Asked by:Postman
object_modelinginterfacesstate_managementextensibility
Problem Overview & Object Oriented Requirements
Model profiles, preferences, likes, mutual matches, conversations, blocks, and lifecycle rules for a dating application.
Design Principles: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion (SOLID).
Topics & Patterns: object_modeling, interfaces, state_management, extensibility.
Class Design Breakdown
1. Identify Core Entities
List primary objects, state enums, value objects, and domain controllers.
2. Class Relationships
Define inheritance, composition, aggregation, and interface abstractions.
3. Apply Design Patterns
Incorporate Strategy, Factory, Observer, State, or Decorator design patterns.
4. Concurrency & Extensibility
Handle thread locks, synchronization, and future extensions cleanly.