Object-Oriented Programming in Java for Modern Development — PickAClass
4.2 (5) ⏱ 3h 📚 30 lessons 🎧 Audio version

Object-Oriented Programming in Java for Modern Development

Master core OOP pillars and SOLID principles by building the logic for an e-commerce backend through written explanations and practical code exercises.

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About this course

Transitioning from basic scripts to robust, scalable software requires a deep understanding of how objects interact. This course provides a clear path for beginners to master the architectural patterns used by professional developers every day to build reliable systems. You will transform from a novice coder into someone who can design complex software using Java. By focusing on the logic behind object interactions, you will learn to write clean, maintainable code that follows industry-standard design principles, preparing you for the demands of modern backend development. What you'll learn: - Learn the foundational pillars of OOP: encapsulation, inheritance, polymorphism, and abstraction - Understand SOLID principles to create flexible and scalable software architectures - Build the core logic for an online store backend, including user management and transaction processing - Apply modern Java features like Records to simplify data handling and improve code clarity - Practice writing clean code and implementing basic testing logic to ensure system reliability - Design domain-specific class structures that map to real-world business requirements The course begins with essential terminology and the conceptual shift from procedural to object-oriented thinking. You will then progress through detailed written explanations and code-based scenarios to implement a sophisticated backend system step-by-step. This course is designed for beginners with a basic grasp of programming syntax who want to learn professional software design. No prior experience with object-oriented architecture is required. Start your journey into professional software architecture today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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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
    3h 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
Object-Oriented Programming in Java for Modern Development
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
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PickAClass — Name Surname
Object-Oriented Programming in Java for Modern Development
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)

عمر بن سعيد الراشدي OM Verified learner
★ 5 · July 21, 2026

It was a pretty good course overall. Some parts moved a little fast for me, but the examples were generally helpful. Worth the time investment.

Yishai Tzur IL
★ 4 · July 20, 2026

Good foundational course. Explained things clearly, but could have used more hands-on practice to solidify the learning.

William Walker NZ
★ 4 · July 13, 2026

Good foundational material. I liked the mix of theory and practice, though a couple of the examples could have been clearer. Overall a positive experience.

Grace Baah GH Verified learner
★ 4 · June 19, 2026

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

Aisha Khan PK Verified learner
★ 4 · May 30, 2026

Loved the practical examples! They really brought the concepts to life. The course was well-organized and easy to navigate.

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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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