Object-Oriented Design and UML for Java Developers — PickAClass
4.0 (1) ⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Object-Oriented Design and UML for Java Developers

Learn to build modular, maintainable software by mastering core design principles and visual modeling using UML.

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About this course

Writing code that works is only the first step; writing code that is easy to maintain and scale requires a deeper understanding of software architecture. This course bridges the gap between basic programming and professional software design by teaching you how to think in objects. You will gain the skills to transform complex requirements into clean, modular Java applications. By the end of this text-based program, you will be able to structure software that is resistant to bugs and adaptable to change, using industry-standard modeling techniques to plan your solutions effectively. What you'll learn: - Understand foundational object-oriented concepts like encapsulation, inheritance, and polymorphism. - Apply SOLID design principles to create robust and extensible software architectures. - Practice visual modeling using Unified Modeling Language (UML) to communicate design intent clearly. - Implement composition over inheritance to improve code flexibility and long-term reuse. - Analyze software requirements to identify essential classes, attributes, and relationships. - Apply modern design patterns to solve recurring architectural challenges in software development. The course begins with essential terminology and structural foundations before guiding you through the process of analyzing requirements and documenting your designs. You will work through written explanations and code-based exercises that reinforce how to translate abstract concepts into concrete, well-structured Java code. This course is designed for Java learners who understand basic syntax and want to advance their software engineering skills. No prior design or architectural experience is required. Start building professional-grade software with a solid architectural foundation 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
    2h 36m 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
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Object-Oriented Design and UML for Java Developers
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
Object-Oriented Design and UML for Java Developers
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 (1)

Nhlanhla Ngcobo ZA
★ 4 · June 14, 2026

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

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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. 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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