Interactive Exercises
The fastest way to master syntax. Choose a language and start your daily practice streak.
JavaScript
335 Exercises
The language of the web. Build interactive websites and applications.
Python
407 Exercises
Versatile and beginner-friendly. Great for AI, data science, and automation.
TypeScript
101 Exercises
JavaScript with types. Build scalable and maintainable applications.
Java
100 Exercises
Enterprise-grade language. Power Android apps and backend systems.
C#
33 Exercises
Microsoft's powerful language. Build games, desktop apps, and web services.
Go
38 Exercises
Simple and efficient. Build fast, reliable backend services.
Rust
25 Exercises
Safe and blazingly fast. Build systems and performance-critical applications.
SQL
110 Exercises
The standard language for relational database management systems.
HTML & CSS
12 Exercises
The foundation of the web. Structure content and style beautiful interfaces.
React
20 Exercises
The most popular frontend library. Build component-based user interfaces with ease.