Java Object-Oriented Programming Fundamentals — PickAClass
⏱ 2h 30m 📚 25 lessons

Java Object-Oriented Programming Fundamentals

Build a strong foundation in Object-Oriented Programming with Java, enabling you to design and implement robust, maintainable applications.

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About this course

Are you looking to write more organized, efficient, and scalable Java code? Object-Oriented Programming (OOP) provides the foundational principles to structure your applications effectively. This course will guide you from basic programming concepts to confidently applying OOP principles, transforming your approach to software development and preparing you to build complex Java applications. What you'll learn: Understand the core pillars of Object-Oriented Programming: Encapsulation, Inheritance, Polymorphism, and Abstraction. Design and implement classes and objects in Java to model real-world entities and their behaviors. Apply principles of good object-oriented design, including SOLID principles basics and immutability patterns. Create concise data classes using modern Java Records for improved code readability and maintainability. Practice writing basic unit tests for your Java classes using JUnit to ensure code correctness and robustness. Refactor existing code to improve its object-oriented structure and adherence to best practices. The course begins with foundational definitions and concepts, progressively building your understanding through practical examples and exercises. You will explore each OOP principle in depth, followed by hands-on application to solidify your learning. This course is designed for absolute beginners in Object-Oriented Programming and Java, with no prior experience in OOP required. Begin your journey to becoming a proficient Java developer by mastering OOP.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    2h 30m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Object-Oriented Programming Fundamentals
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Java Object-Oriented Programming Fundamentals
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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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 don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — 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.

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