ODNYX ED

Learn to code, for free.

Free video-first tutorials, quizzes, and interview prep — Java, Spring, DevOps, databases, and more.

Java

From syntax basics to object-oriented programming, polymorphism, and more.

7 lessons

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CSS

Style real interfaces with layout, responsive design, and modern CSS features.

0 lessons

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Database

Relational databases, SQL fundamentals, and query optimization.

0 lessons

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DevOps

CI/CD, containers, and the practices that keep production systems running.

0 lessons

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Spring

Build real backends with Spring Boot — REST APIs, dependency injection, and more.

0 lessons

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Design Patterns

Classic software design patterns like Singleton, Factory, and Observer.

1 lesson

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