Data Structures and Object-Oriented Design Fundamentals — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Data Structures and Object-Oriented Design Fundamentals

Master foundational computer science concepts, essential data structures, and object-oriented principles to write clean, efficient, and highly maintainable code.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Writing software that works is only the first step; writing software that is efficient, scalable, and easy to maintain is what separates beginners from professionals. To achieve this, every programmer must master the core principles of data structures and object-oriented design. This comprehensive text-based course guides you through the essential concepts of software architecture and data management, helping you transition from writing simple scripts to designing robust, production-ready systems. What you'll learn: - Understand fundamental object-oriented programming principles like inheritance, polymorphism, encapsulation, and abstraction - Implement core data structures including arrays, linked lists, stacks, queues, trees, and hash tables from scratch - Apply modern design patterns and SOLID principles to write clean, modular, and reusable code - Analyze algorithm performance using Big O notation to ensure your applications run efficiently at scale - Practice debugging and refactoring code to improve overall software architecture The course begins with foundational definitions of object-oriented concepts before moving into concrete data structure implementations. You will then explore how these components interact to form well-structured software architectures through clear, step-by-step written explanations and code examples. This course is designed for beginner programmers, self-taught developers, and computer science students looking to solidify their theoretical and practical coding foundations, requiring only basic programming knowledge to start. Start building a stronger programming foundation today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Structures and Object-Oriented Design 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
Data Structures and Object-Oriented Design 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.

Reviews

No reviews yet — be the first to share your experience.

Write a review

You'll be asked to sign in after sending — 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 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.

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