Core Concepts

Core Concepts - Practice Hub

Use this hub to navigate foundational and cross-cutting practice areas. It mirrors notes/core-concepts.md while pointing to exercise files.

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Language and Runtime

• C# Fundamentals
• Struct vs Class Questions
• Async and Resilience
• Async/Await Exercises

Collections and LINQ

• LINQ and Collections Exercises
• Legacy LINQ Exercises

Service Design and APIs

• API Lifecycle Exercises
• System Design Exercises
• C# System Design Questions
• Solution Architecture Exercises
• System Architecture Exercises

Data and Messaging

• Data Layer Exercises
• Messaging and Integration
• SSE vs WebSockets Exercises

Domain and Scenarios

• Trading Domain Exercises
• Code Assessment Challenges

Behavioral

• Behavioral Questions

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For a single combined prompt list, see Practice Questions and Prompts.