Refactoring.Guru Design Patterns Examples resource

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1068 stars · 172 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A collection of example implementations of all classic GoF design patterns in TypeScript, Java, and PHP, part of the Refactoring.Guru educational project. Each pattern includes a conceptual example showing internal structure and a real-world example demonstrating practical usage in web applications.

Use cases

• learn design patterns with runnable code examples
• see how the singleton pattern is implemented in TypeScript
• study real-world examples of the builder pattern
• refresh my knowledge of GoF patterns before an interview
• find reference implementations of adapter and decorator patterns
• teach design patterns to a team with commented examples

When to choose

• you want clear, well-commented examples of classic design patterns in TypeScript, Java, or PHP
• you are learning or teaching object-oriented design and want both conceptual and real-world code
• you want to accompany the free Refactoring.Guru pattern catalog with runnable code

When to avoid

• you need a production-ready pattern library or framework to import into your project
• you need code you can redistribute or modify commercially, since the content is CC BY-NC-ND licensed
• you work in a language other than TypeScript, Java, or PHP

Facets

learning-resource · maturity active

developer-tools documentation developer-tools tutorials programming-languages cross-platform cli design-patterns gof-patterns typescript java php educational-examples refactoring-guru software-architecture nodejs

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