Java Programming: Building a Recommendation System

Master Java fundamentals and modern data processing patterns by writing a text-based program that analyzes user preferences and suggests personalized items.

4.7 (658) ⏱ 1h 54m 📚 4 lessons 🎧 Audio version

About this course

Ever wondered how digital platforms suggest your next favorite book or movie? You can learn the fundamental programming logic behind these engines by building your own recommendation system from scratch. This text-based course guides you through applying Java programming to solve real-world data challenges. You will transition from understanding core syntax to writing clean, algorithmic code that processes user ratings, filters datasets, and outputs tailored recommendations. What you'll learn: - Understand foundational Java syntax, object-oriented principles, and basic algorithm design. - Model complex data structures cleanly using modern Java features like record classes. - Process, filter, and sort rating datasets efficiently using the Java Streams API. - Implement collaborative filtering concepts to calculate similarity scores between users. - Design algorithmic solutions to recommend items based on average ratings and user preferences. - Write clean, modular, and maintainable Java code using industry-standard formatting. You will start with the fundamental concepts of data modeling and object-oriented design before progressing to hands-on algorithmic implementation. Through clear written explanations and step-by-step code snippets, you will construct a fully functional recommendation engine. This course is designed for aspiring software developers and beginners who want to practice their Java skills on a practical, portfolio-ready project. No prior experience with recommendation algorithms is required. Start reading today and build your first algorithmic recommendation engine in Java.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    1h 54m of practical content

Reviews (4)

Manuela Silva BR Verified learner
★ 2 · 2026-01-08T06:00:04+00:00

Not sure this was the best way to learn this. The examples felt a bit dated, and the overall structure was confusing. I needed external resources to make sense of it.

Fernanda Soto CR Verified learner
★ 4 · 2025-12-10T21:57:04+00:00

Pretty good foundation. The examples were mostly helpful. Might need additional practice elsewhere for mastery.

Đặng Thị Hương VN Verified learner
★ 3 · 2025-12-10T09:57:04+00:00

Hmm, I'm not sure this is for absolute beginners. It assumes a bit of prior knowledge that wasn't explicitly taught. Some examples were confusing.

Sofía Martínez AR Verified learner
★ 4 · 2025-06-12T19:39:04+00:00

Good introduction. I appreciated the clear steps, although some of the later modules could have used more examples.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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