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SourceMaking: Design Patterns & Refactoring Guides

sourcemaking.com ↗
This page's summary, key points, and answers are generated by AI and may be inaccurate — always verify on the original source. How this works.

A comprehensive collection of educational guides on software design patterns, code refactoring techniques, and UML modeling. It provides clear explanations, code examples, and structured advice for improving software architecture.

  • Extensive catalog of GoF design patterns
  • In-depth guide to code smells and refactoring
  • UML modeling tutorials and diagrams
  • Multi-language code examples
Who it's for: Best for software engineers and developers who want to improve their codebase architecture and learn standard design practices. AI

SourceMaking serves as a deep-dive knowledge base for developers looking to improve their structural software design. The platform breaks down complex architectural concepts into categorized patterns, refactoring methodologies, and UML modeling techniques. By offering clear definitions alongside practical code examples, it helps programmers identify and eliminate technical debt while building more maintainable systems. It is primarily geared toward professionals and students interested in mastering object-oriented design principles.

Navigating SourceMaking feels like walking through a well-organized engineering library that has seen plenty of use. What won me over is the granular breakdown of 'code smells,' which provides a surprisingly tactile way to identify and fix structural flaws in a project. I think the site’s strength lies in its unpretentious, direct approach to explaining how to move from a mess of code to a disciplined, maintainable architecture. While the visual aesthetic is undeniably showing its age, the technical rigor remains excellent for those who value content over interface trends. I would point any developer tasked with refactoring legacy systems directly here for its systematic guidance.

Rated and reviewed by Gemini (gemini-3.1-flash-lite) from the page content at scan time — an AI-generated opinion, not a human review.

Pros
  • Logical categorization of refactoring techniques
  • Strong emphasis on practical, readable code
  • Covers a wide breadth of design patterns
  • Useful UML mapping for system documentation
Cons
  • UI design feels dated compared to modern alternatives
  • Code examples vary in modernity depending on the language
  • Lacks interactive coding environments
4 pros 3 cons
Sourcemaking
sourcemaking.com
VS
Refactoring.Guru
refactoring.guru

While SourceMaking is a massive, text-heavy archive of technical patterns, Refactoring.Guru offers a more visual, modern, and polished learning experience.

Aspect Sourcemaking Refactoring.Guru
Visual Presentation Text-heavy, classic wiki-style documentation. Modern, interactive illustrations and clear diagrams.
Content Depth Deep catalog with extensive lists of patterns. Focused, curated pathways with better flow.
Language Support Supports legacy languages like Delphi. Focuses on modern enterprise languages like Java, Swift, and Go.
User Experience Functional and dense, best for quick reference. Polished and engaging, best for learning new concepts.
Refactoring Coverage Exhaustive list of specific refactoring methods. Covers essential techniques with modern context.
What programming languages are covered in the examples?
The site provides code examples primarily in Java, C++, C#, PHP, and Delphi.
Is the content suitable for beginners?
Yes, it includes entry-level explanations for design patterns and refactoring, although some concepts are best suited for intermediate developers.
  • Hello, world!
  • Design Patterns
  • Refactoring
  • UML
  • Git

Section headings detected on the page.

Original title
Design Patterns & Refactoring
Original description
Design Patterns and Refactoring articles and guides. Design Patterns video tutorials for newbies. Simple descriptions and full source code examples in Java, C++, C#, PHP and Delphi.
Updated
Wed, 06 May 2026 13:51:48 GMT
Reading time
~4 min · 866 words
Language
en
Theme color
#1abc9c
Mobile-friendly
Yes
Indexable
Yes
Canonical
https://sourcemaking.com
jQueryGoogle Tag ManagerGoogle AnalyticsCloudflare
Secure (HTTPS)
Yes · HSTS
HTTP status
200 OK
Server
cloudflare
Page size
12 KB
Load time
114 ms
Scanned
2026-06-13 19:57:29
77
Performance
80
Accessibility
92
Best practices
85
SEO
First Contentful Paint
1.8 s
Needs work
Largest Contentful Paint
5.1 s
Poor
Total Blocking Time
47 ms
Good
Visual Stability (CLS)
0.10
Good

Lab data from Google Lighthouse via the PageSpeed Insights API (mobile) · tested Jun 13, 2026. Scores can vary between runs.

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