Foundations of Object-Oriented Programming in Java

Learn to model real-world systems using classes, inheritance, and polymorphism in Java, building a strong foundation for modern software development.

4.8 (958) ⏱ 1h 8m 📚 10 lessons 🎧 Audio version

About this course

Writing clean, organized, and scalable software is a fundamental skill for any aspiring developer. Object-oriented programming (OOP) is the industry standard for structuring complex applications, and Java is the perfect language to learn these core concepts. This text-based course guides you from writing basic code to designing robust, modular Java applications. You will learn how to translate real-world problems into structured software components, ensuring your code is reusable, secure, and easy to maintain. What you'll learn: - Understand foundational OOP concepts, key terminology, and how Java executes object-oriented code. - Create classes and instantiate objects to model real-world entities with constructors and custom methods. - Apply encapsulation to secure data and control access using visibility modifiers. - Implement inheritance and abstract classes to reduce code duplication and establish clear hierarchies. - Leverage polymorphism and interfaces to write flexible, adaptable, and highly maintainable systems. - Utilize modern Java features like records for clean data modeling and local variable type inference to write concise code. You will start with the basic vocabulary of object-oriented design before progressing through core pillars like inheritance and polymorphism, reinforcing your understanding through written code analysis and practical exercises. This course is designed for absolute beginners to OOP and Java, requiring no prior experience with object-oriented design. We begin with the absolute basics and build up your skills step-by-step. Start reading today to build a solid foundation in object-oriented software development.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 🎧 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 8m of practical content

Reviews (2)

Wegayehu Fasika ET
★ 5 · 2026-05-03T10:14:24+00:00

This course exceeded my expectations. The real-world applications discussed are incredibly useful. Great job!

Ilona Savolainen FI
★ 4 · 2025-10-14T10:38:24+00:00

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

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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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