Java Design Patterns

Java Design Patterns offers a reference collection for studying common software design patterns in Java.

java-design-patterns.com
Java Design Patterns homepage screenshot

About Java Design Patterns

Java Design Patterns is a reference collection for studying common software design patterns implemented in Java. Visitors can browse patterns by their high-level descriptions or by their source code. The source code examples include comments and are presented as programming tutorials on how to implement a specific pattern. The site also covers software design principles, offers a set of reusable code snippets, and links to an open source book that explains design patterns with real-world examples.

The homepage states that the solutions were developed by experienced programmers and architects from the open source community, and that contributions are made through the GitHub repository links. The homepage does not state any pricing, so the cost of use is unknown.

Key features

  • Collection of software design patterns implemented in Java
  • Browse patterns by high-level description or by source code
  • Commented source code examples presented as programming tutorials
  • Section on software design principles and universal design guidance
  • Reusable code snippets described as Java 17 compatible
  • Book on design patterns with real-world examples and explanations
Best for: Java developers and students who want to study common design patterns alongside working example code.
Good for
  • Source code examples are described as well commented and suited to learning.
  • Patterns can be explored through both descriptions and source code.
  • Solutions were developed by experienced programmers and architects.
Watch out for
  • Code snippets are described as Java 17 compatible, and other Java versions are not mentioned.
  • The homepage does not state any pricing.

Java Design Patterns at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Good for
Developers
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Java Design Patterns FAQ

How can I contribute to the content?
The homepage asks contributors to follow the GitHub repository links provided on the site.
Are the source code examples meant for learning?
Yes. The homepage describes the examples as programming tutorials on how to implement a specific pattern.
Which Java version do the code snippets support?
The code snippets are described as Java 17 compatible.
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