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Best solid principles Courses Online

We compared 11 Solid Principles courses currently listed on Udemy and Coursera, priced from $19.99 to $154.99. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.

Courses in our catalog
23
Compared here
11
  1. 1
    Udemy Certificate Grade C

    Java: Master SOLID Principles and Top Design Patterns

    We all want to become better software developers and be able to call ourselves "Software Engineers" or "Software Architects", but to do that you first have to master a number of design patterns.This course will put you o...

    $24.99
    listed price
  2. 2
    Udemy Certificate Grade C

    Low Level System Design, Design Patterns & SOLID Principles

    Are you looking to take your Java programming skills to the next level and master the art of designing scalable, maintainable, and efficient software systems? In this course, Low Level System Design, Design Patterns &amp...

    $54.99
    listed price
  3. 3
    Udemy Certificate Grade C

    Mastering SOLID Principles: Your Path to Code Mastery

    Complete SOLID Principles Guide including Quiz, Practice Test and Code Exercise for each principle that will help to teach everything about SOLID principles via detailed step by step examplesSOLID is an acronym for 5 sof...

    $94.99
    listed price
  4. 4
    Coursera Certificate Grade B

    Structural Design Patterns in Modern C++

    Offered by Packt

    Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as yo...

    $49.00
    listed price
  5. 5
    Coursera MOOC / Non-credit Grade B

    Enterprise Architecture with .NET

    Offered by Packt

    This specialization provides learners with a structured journey to mastering enterprise architecture using .NET, progressing from foundational principles to scalable system implementation. The first course introduces cor...

    $49.00
    listed price
  6. 6
    Udemy Certificate Grade B

    Java Design Patterns & SOLID Design Principles

    Course Overview    This course starts with SOLID Design Principles in Java. It will then provide a comprehensive introduction to Java Design patterns with practical, hands on exercises. What are SOLID Design Principles?S...

    $89.99
    listed price
  7. 7
    Udemy MOOC / Non-credit Grade B Lowest price here

    System Design Masterclass 2025 – From Basics to Advanced

    Are you preparing for System Design interviews or aiming to understand how large-scale applications like Netflix, Instagram, Uber, and WhatsApp are built and scaled?This System Design Masterclass 2025 is a complete, step...

    $19.99
    listed price
  8. 8
    Udemy Certificate Grade B

    SOLID, Wzorce Projektowe w C# (.NET) - praktyczny przewodnik

    Niezależnie od języka programowania w jakich pracujesz, jeśli chcesz osiągnąć najwyższy poziom programowania, po prostu MUSISZ opanować wzorce projektowe.Większość pracodawców poszukuje inżynierów oprogramowania posiadaj...

    $49.99
    listed price
  9. 9
    Udemy Bootcamp Grade B

    Automation Framework Development with Playwright in C# .NET

    Automation framework development with Playwright in C#.NET  is an advanced course designed to address End-to-End test framework development with clean coding and SOLID patterns in place.The curriculum of this c...

    $54.99
    listed price
  10. 10
    Udemy MOOC / Non-credit Grade C

    Maîtrisez le Clean Code : Devenez un Développeur d'Élite

    Devenez un développeur d'élite en apprenant à écrire un code propre, maintenable et évolutif !Dans cette formation complète, vous plongerez au cœur des meilleures pratiques du Clean Code. Vous découvrirez comment transfo...

    $99.99
    listed price
  11. 11
    Udemy Certificate Grade C

    Descomplicando Clean Architecture, DDD e TDD

    Neste curso, vamos descomplicar na prática conceitos avançados como Clean Architecture, Domain-Driven Design (DDD) e Test-Driven Development (TDD) para resolver um desafio técnico focado em uma vaga de backend no PicPay....

    $154.99
    listed price

What the prices here tell you

The 11 priced courses on this page run from $19.99 to $154.99, with the middle of the range around $54.99 — a spread of $135.00. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.

Who is behind these courses

These courses come from Udemy and Coursera. The platforms differ in how they sell: some charge once per course, others expect a subscription, and the listed price is not always what you pay at checkout after a promotion.

Before you enrol

Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.

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