SOLID Principles for Clean C# Object-Oriented Design — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

SOLID Principles for Clean C# Object-Oriented Design

Understand and apply SOLID principles to write robust, maintainable, and scalable C# applications for improved software quality.

  • 💬 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

Are you struggling to write C# code that is easy to modify, test, and extend? Mastering software design principles is crucial for building high-quality, long-lasting applications. This course will guide you through the fundamental SOLID principles, empowering you to design C# solutions that are flexible, maintainable, and resilient to change, setting you on the path to becoming a proficient software designer. What you'll learn: * Learn the core concepts of Object-Oriented Programming and its benefits * Understand each of the five SOLID principles: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion * Apply SOLID principles to refactor existing C# code and design new components * Build C# classes and interfaces that promote maintainability, testability, and extensibility * Practice implementing common design patterns that align with SOLID principles, such as Dependency Injection * Recognize how SOLID design improves unit testing strategies and reduces coupling in C# applications The course begins by laying a solid foundation in OOP concepts, then systematically introduces each SOLID principle with practical C# examples. You'll progress through guided exercises to solidify your understanding and apply these principles to real-world scenarios. This course is designed for beginner C# developers who have a basic understanding of C# syntax and want to learn how to write well-structured, professional-grade code. No prior experience with design principles is required. Start your journey to becoming a more skilled and confident C# software engineer 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
SOLID Principles for Clean C# Object-Oriented Design
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
SOLID Principles for Clean C# Object-Oriented Design
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