Dataford
Top 50
Topic roadmap
Updated weekly · Last refresh Sep 13

Top 50 class structure Interview Questions

The most frequently asked class structure questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~7htotal time
39companies covered
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
System DesignStart here. 42 questions · ~338 min
Design a Personalized Notification RankerMedium
Recently asked

Design a personalized notification system that selects, ranks, and delivers the right pushes while controlling spam and latency.

class structurenotification systemscalabilityRedditCisco Restaurant + BarLinkedIn
Parking Lot System DesignHard
Recently asked

Design the object-oriented classes and high-level architecture for a parking lot system.

class structuredesignarchitecture patternsSmartThingsAppleFFloQast
Design BookMyShowHard

Design BookMyShow as an object-oriented system, defining entities, interfaces, methods, and database choices.

class structuredatabase accessdesignMyntraCCornerstone OnDemandClearTax
Design Software Structures for License PlatesHard

Design extensible software structures for detecting, recognizing, validating, and representing license plates.

class structuredesignml inferenceGuidewire
Jira Model and ReportsHard

Design Python classes for Jira subscription types and generate monthly user reports.

class structurenotification systemdesignMicrosoft
Design a Coupon Personalization SystemMedium
Recently asked

Design an ML driven coupon personalization system that selects and serves promotional offers across user journeys.

coupon systemclass structurepromotionsSwiggy
Token Management SystemHard

Design a concurrent restaurant token system with clear classes, database persistence, exhaustive APIs, and Redis-based atomic operations.

latencyclass structuredistributed systemsAmazon Web Services
Distribute Replica UpdatesHard

Design a replica update function that balances updates across regions while preserving replica-group health.

class structuredistributed systemsfailure modesApple
More System Design questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
2
Coding7 questions · ~56 min
More Coding questions with a free account
3
More topics1 question · ~8 min
More questions with a free account
The finish line: interview-readyComplete all 50 questions to finish this plan.