Java Code Review

by decebals

Java Code Review is a Quality skill for Claude Code, published by decebals in claude-code-java.

714 stars142 forkson decebals/claude-code-javaAdded 2026/08/23+1% in starsRepository updated 2026/02/08

View source on GitHub Download repo ZIP

ai-assisted-developmentclaude-codeclaude-code-skillsdeveloper-toolsjava

Install in seconds

Install Java Code Review

Copy Java Code Review into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/decebals/claude-code-java/tree/main/.claude/skills/java-code-review ~/.claude/skills/java-code-review

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/decebals/claude-code-java.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .claude/skills/java-code-review/SKILL.md in decebals/claude-code-java
Installs to: ~/.claude/skills/java-code-review
Collection: One of 18 skills cataloged from this repository
Category: Quality — 1354 skills

What Java Code Review does

Java Code Review performs systematic reviews of Java code for null safety, exception handling, concurrency, collections, and idioms. Use it when reviewing code, checking a PR, or before merging changes.

Java Code Review is cataloged under Quality on DirSkills. Java Code Review comes from a repository tagged ai-assisted-development, claude-code, claude-code-skills, developer-tools and java.

Documentation

README

Excerpt

Java Code Review Skill

Systematic code review checklist for Java projects.

When to Use

User says "review this code" / "check this PR" / "code review"
Before merging a PR
After implementing a feature

Review Strategy

Quick scan - Understand intent, identify scope
Checklist pass - Go through each category below
Summary - List findings by severity (Critical → Minor)

Output Format

## Code Review: [file/feature name]

### Critical
- [Issue description + line reference + suggestion]

### Improvements
- [Suggestion + rationale]

### Minor/Style
- [Nitpicks, optional improvements]

### Good Practices Observed
- [Positive feedback - important for morale]

Review Checklist

1. Null Safety

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Java Code Review

What else does decebals publish alongside Java Code Review?
Java Code Review is one of 18 skills that DirSkills catalogs from decebals/claude-code-java, the repository it ships in. Its siblings there include API Contract Review, Architecture Review and Changelog Generator. Each one is a separate skill with its own page in this directory, installs the same way Java Code Review does, and is maintained by decebals in that same repository. The rest of the collection is listed on the decebals/claude-code-java page.
How does Java Code Review compare to other Quality skills?
Java Code Review ranks #1035 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Java Code Review against them. Open each page to compare what they document and how they install.