java-plugins

java-plugins

A production-grade Java reference plugin for Claude Code. AI-optimized rules extracted from 10 canonical books + JDK 25 + Spring Boot 4 specifications.

Reference Books

Tier 1 (highest confidence rules):

• Effective Java (Joshua Bloch)
• Refactoring (Martin Fowler)
• Design Patterns / GoF (Gamma et al.)
• Java Concurrency in Practice (Brian Goetz)
• Modern Java in Action (Urma et al.)

Tier 2:

• Clean Code (Robert C. Martin)
• Test-Driven Development (Kent Beck)
• Unit Testing Principles, Practices, and Patterns (Vladimir Khorikov)
• Clean Architecture (Robert C. Martin)
• Release It! (Michael Nygard)

Specifications:

• JDK 25 LTS
• Spring Boot 4 / Spring Framework 7 / Jakarta EE 11

Skills

Skill	Description
java:coder	Java code writing — decision tree format, JDK 25 integration, DDD essentials
java:reviewer	Code review — concurrency safety, null safety, architecture, stability checklists
java:tester	TDD workflow — Red-Green-Refactor, Mock strategy, legacy code testing
java:spring	Spring Boot 4 — REST patterns, ProblemDetail, test annotations, observability

Installation

/plugin marketplace add ppzxc/java-plugins
/plugin install java

Usage

Skills activate automatically based on context. You can also invoke directly:

/java:coder     # Java code writing and design
/java:reviewer  # Code review and quality audit
/java:tester    # TDD and testing
/java:spring    # Spring Boot 4 conventions