Foundations of Object-Oriented Programming in Java — PickAClass
3.6 (5) ⏱ 2h 54m 📚 29 lessons

Foundations of Object-Oriented Programming in Java

Master Java class design, encapsulation, and modern language features to write clean, reusable, and structured object-oriented code from scratch.

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About this course

Transitioning from writing simple scripts to building structured, scalable software requires a solid grasp of object-oriented design. Java is the industry-standard language for learning these concepts, but mastering classes, objects, and encapsulation requires a clear, step-by-step approach. This written course guides you through the fundamental principles of Object-Oriented Programming (OOP) using Java. By reading clear explanations and analyzing structured code snippets, you will learn how to design robust classes, manage data securely, and write clean, maintainable code. What you'll learn: - Understand foundational OOP terminology including classes, objects, methods, and attributes. - Apply the principle of encapsulation to protect data and control access within your classes. - Work with essential Java components, including Strings, math utilities, and standard library imports. - Implement modern Java features such as local variable type inference and basic Java Records for efficient data modeling. - Design reusable class structures that form the backbone of clean software architecture. The course begins with essential definitions and core OOP concepts before moving into Java syntax, class creation, and modern best practices. You will progress from basic variable scopes to building complete, encapsulated data structures through written explanations and code analysis. This course is designed for beginners who are new to object-oriented programming or looking to transition to Java, requiring no prior experience with complex software architecture. Start reading today to build a strong, professional foundation in Java programming.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • Short & focused
    2h 54m 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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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Foundations of Object-Oriented Programming in Java
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
Foundations of Object-Oriented Programming in Java
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.

Reviews (5)

عبدالله بن محمد بن صالح آل ثاني QA Verified learner
★ 4 · July 31, 2026

Learned a ton and the structure made it easy to follow along. Loved the practical application examples they provided.

Shaista Parveen PK
★ 4 · July 1, 2026

Brilliant course design. The way concepts build on each other is seamless. Very practical and well-explained.

Hugo Robert FR Verified learner
★ 2 · June 30, 2026

Honestly, pretty disappointing. The concepts weren't explained well at all, and the examples were confusing. Wouldn't do this again.

علي الغانم KW
★ 3 · June 25, 2026

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

Edward Adjei GH Verified learner
★ 5 · June 6, 2026

This was exactly what I was looking for. The explanations were so clear and the examples really helped solidify the concepts.

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

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Yes — full refund within 14 days, no questions asked.

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

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

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