Java Object-Oriented Programming: Core Principles and Practice โ€” WalkSelf
โ˜… 4.2 (5) โฑ 2h 48m ๐Ÿ“š 28 lessons ๐ŸŽง Audio version

Java Object-Oriented Programming: Core Principles and Practice

Master encapsulation, inheritance, polymorphism, and modern Java features like Records to write clean, reusable, and maintainable object-oriented code.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Transitioning from basic scripting to professional software development requires a solid grasp of how to structure code. Object-oriented programming (OOP) is the industry standard for building scalable, robust Java applications. This text-based course takes you from basic programming concepts to a confident understanding of object-oriented design. You will learn how to model real-world problems using Java classes, write reusable code, and adopt modern standards that make your applications easy to maintain and scale. What you'll learn: - Understand foundational OOP concepts including encapsulation, inheritance, polymorphism, and abstraction. - Design robust Java classes with appropriate fields, methods, constructors, and access modifiers. - Implement interfaces and abstract classes to build flexible and decoupled software components. - Apply modern Java features like Records for clean, immutable data modeling. - Organize your code effectively using standard package structures and clean code conventions. - Practice reading and analyzing object-oriented code snippets to solve design challenges. Starting with core definitions and basic class structures, the course guides you step-by-step through advanced relationship modeling, interface design, and modern development conventions. Each concept is reinforced with clear written explanations and practical code examples. This course is designed for beginner developers who already know basic programming concepts (such as variables, loops, and functions) and want to transition to object-oriented development. No prior OOP experience is required. Start reading today to elevate your programming skills and build a strong foundation in Java development.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 48m of practical content

Reviews (5)

Paul Richter CH
โ˜… 4 ยท July 30, 2026

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

ูŠูˆุณู ุจู† ู…ุญู…ุฏ BH Verified learner
โ˜… 5 ยท July 19, 2026

This is exactly what I was looking for. Loved the practical examples, they really helped solidify the concepts.

Dimitar Borisov BG
โ˜… 3 ยท July 10, 2026

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.

Paula Rรญos CL
โ˜… 4 ยท July 1, 2026

Thoroughly enjoyed this course. The way the information was presented was excellent, and the practical applications were highlighted effectively. Great job!

ู†ุงุตุฑ ุจู† ุนู„ูŠ ุงู„ุฎุฑูˆุตูŠ OM Verified learner
โ˜… 5 ยท May 26, 2026

Loved the practical application examples. Exactly the kind of hands-on learning I was looking for.

Write a review

โ˜†โ˜†โ˜†โ˜†โ˜†
You'll be asked to sign in after sending โ€” your draft is saved.

Learners also took

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. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 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.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing