121 Java Object Oriented Design

Quality score: 70/100 · Category: Engineering · Sub-category: languages

type:review

Use when you need to review, improve, or refactor Java code for object-oriented design quality — including applying SOLID, DRY, and YAGNI principles, improving class and interface design, fixing OOP concept misuse (encapsulation, inheritance, polymorphism), identifying and resolving code smells (God Class, Feature Envy, Data Clumps), or improving object creation patterns, method design, and exception handling. This should trigger for requests such as Review Java code for object-oriented design; Refactor Java code for object-oriented design; Improve Java code for object-oriented design; Fix OOP concept misuse in Java code. Part of cursor-rules-java project

What this skill does

121 Java Object Oriented Design is a production-ready Claude Code skill (quality score 70/100) in the languages sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/121-java-object-oriented-design/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when you need to review, improve, or refactor Java code for object-oriented design quality — including applying SOLID, DRY, and YAGNI principles, improving class and interface design, fixing OOP concept misuse (encapsulation, inheritance, polymorphism), identifying and resolving code smells (God Class, Feature Envy, Data Clumps), or improving object creation patterns, method design, and exception handling. This should trigger for requests such as Review Java code for object-oriented design; Refactor Java code for object-oriented design; Improve Java code for object-oriented design; Fix OOP concept misuse in Java code.

Who uses this skill

The 121 Java Object Oriented Design skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/121-java-object-oriented-design
curl -L https://claudskills.com/skills/121-java-object-oriented-design/SKILL.md \
  -o ~/.claude/skills/121-java-object-oriented-design/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/121-java-object-oriented-design/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/121-java-object-oriented-design/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\121-java-object-oriented-design\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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