Product
Pricing
Blog
Forum
NEW
Referral
Description
Solution
Discussion
Submissions
Ask AI
AI Insights
Quick Summary
Design an extensible multi-channel chat system with strict state isolation per channel.
Route user messages to automated bots while maintaining a chronological message history.
Ensure architectural flexibility to introduce new bot types without modifying existing code.
What This Tests
Object-Oriented Design and Interface Segregation
Event-Driven Architecture and Pub/Sub Concepts
Contextual State Management and Scope Isolation
Extensibility Principles (Open/Closed Principle)
Common Patterns
Hashing
Collapse
Hint 1
Hint 2
Hint 3
What Interviewers May Ask Next
Report
Report seen similar question in interview
Ask AI Assistant
Ask AI Assistant
Ask me anything about this coding question!
python
Auto
Debug
Run
Submit
Stdout
-
