Design Patterns

Reference & Guides

Cross-cutting guides — interviews, anti-patterns, relationships, Java map.

All Patterns · Reference

Coming soon: Reference guides introduction.

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Interview Patterns

  • Tier 1–3 pattern ranking
  • What interviewers test
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Anti-Patterns

  • The wrong approach for each pattern
  • How to recognise and fix them
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Pattern Relationships

  • Confused-with pairs
  • Compose-together trios
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Java Stdlib Map

  • Every pattern in the JDK
  • Real class and method references