141 Java Refactoring With Modern Features

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

type:review

Use when you need to refactor Java code to adopt modern Java features (Java 8+) — including migrating anonymous classes to lambdas, replacing Iterator loops with Stream API, adopting Optional for null safety, switching from legacy Date/Calendar to java.time, using collection factory methods, applying text blocks, var inference, or leveraging Java 25 features like flexible constructor bodies and module import declarations. This should trigger for requests such as Review Java code for modern Java development; Apply best practices for modern Java development in Java code. Part of cursor-rules-java project

What this skill does

141 Java Refactoring With Modern Features is a production-ready Claude Code skill (quality score 70/100) in the mobile sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/141-java-refactoring-with-modern-features/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when you need to refactor Java code to adopt modern Java features (Java 8+) — including migrating anonymous classes to lambdas, replacing Iterator loops with Stream API, adopting Optional for null safety, switching from legacy Date/Calendar to java.time, using collection factory methods, applying text blocks, var inference, or leveraging Java 25 features like flexible constructor bodies and module import declarations.

Who uses this skill

The 141 Java Refactoring With Modern Features 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/141-java-refactoring-with-modern-features
curl -L https://claudskills.com/skills/141-java-refactoring-with-modern-features/SKILL.md \
  -o ~/.claude/skills/141-java-refactoring-with-modern-features/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/141-java-refactoring-with-modern-features/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/141-java-refactoring-with-modern-features/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\141-java-refactoring-with-modern-features\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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