Data Structures and Algorithms in Java Course
Master data structures and algorithms in Java by building real-world collections, top-k analytics, and time-windowed logs. Learn to profile, benchmark, and optimise code for performance-critical systems used in modern tech products. This hands-on course emphasises practical implementation, complexity analysis, and production-quality coding practices essential for tech professionals.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Master core data structures and algorithms in Java through a practical, hands-on course that prioritises application over mere theory. Design and build hash-based maps, efficient top-k queries, and time-windowed action logs. Gain insights into complexity analysis, memory management, and basic concurrency. Hone skills in microbenchmarking, profiling, unit testing, and producing well-documented, reusable code ready for production environments.
Elevify advantages
Develop skills
- Java performance tuning: benchmark, profile, and optimise real data structures.
- Custom hash maps in Java: design, implement, and tune for speed and memory.
- Streaming top-k analytics: build fast, scalable user ranking algorithms in Java.
- Time-windowed storage: implement sliding-window Action logs with O(1) ops.
- Production-ready Java collections: test, document, and package high-quality APIs.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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