Explore Our Courses
Core Java Tutorial
Learn Core Java fundamentals — from syntax to OOP, exceptions, and collections. Perfect for beginners or anyone refreshing their skills.
View Course →Spring Boot
Learn Spring Boot essentials — from building REST APIs to dependency injection and auto-configuration. Ideal for beginners and experienced developers alike.
View Course →MicroServices
Learn microservices architecture — from designing loosely coupled services to communication, scalability, and deployment. A practical guide for modern backend development.
View Course →Java Coding Questions
Practice Java coding questions — from basic logic to advanced problem-solving. Great for interviews, skill-building, and competitive programming.
View Course →System Design
Learn system design fundamentals — from scalability and architecture to databases and load balancing. Perfect for interviews, real-world projects, and backend mastery.
View Course →High Level Deisgn - HLD
Learn system design fundamentals — from scalability and architecture to databases and load balancing. Perfect for interviews, real-world projects, and backend mastery.
View Course →No Ads • 100% Free
Knowledge Should Be Accessible to Everyone
Codenskill is committed to providing high-quality, distraction-free learning. No advertisements. No paywalls. Just pure, accessible education designed to help developers at every stage.
Why Choose CodeNSkill?
Beginner Friendly
Concepts are explained in plain English with real-world examples, ideal for new developers.
Project-Based Learning
Build real projects while learning — from system design to frontend and backend apps.
Always Free Resources
No login or signup required for core content. Learn at your pace with no friction.