Learn Programming Online — Free
Master coding with our comprehensive, free programming tutorials. Learn Java, Python, C++, Data Structures & Algorithms, web development, and coding interview preparation — all with practical examples and 1000+ practice problems.
1000+ Practice Problems
Every tutorial comes with hands-on coding problems you can solve in our free online IDE.
Beginner to Advanced
Whether you're writing your first line of code or preparing for FAANG interviews, we have content for you.
Earn While You Learn
Solve problems, take quizzes, and compete in battles to earn Tikkis — redeemable for real gift cards.
Choose Your Learning Path
Java Programming
Master Java from basics to advanced — core Java, OOP, collections, multithreading, Spring Boot, and REST APIs. Complete guide with code examples and practice problems.
Python Programming
Learn Python from scratch — syntax, data structures, functions, OOP, file handling, and popular libraries. Perfect for beginners and data science aspirants.
C++ Programming
Comprehensive C++ tutorial covering syntax, STL, pointers, memory management, and competitive programming techniques used in coding contests.
Data Structures & Algorithms
Master DSA with in-depth tutorials on arrays, linked lists, trees, graphs, dynamic programming, sorting, searching, and more. Essential for coding interviews.
Coding Interview Preparation
Complete guide to cracking coding interviews at top tech companies. Practice strategies, common patterns, behavioral tips, and mock interview techniques.
Web Development
Learn modern web development — HTML, CSS, JavaScript, React, Next.js, Node.js, REST APIs, and databases. Build full-stack web applications from scratch.
Ready to Start Coding?
Sign up free on CodeTikki and get access to 1000+ coding problems, a free online IDE, quizzes, career roadmaps, and coding battles — all in one platform.