Is this skill compatible with older versions of Java?

While many principles are universal, this skill is specifically optimized for Java 17 and later, focusing on modern features like Records and updated Stream APIs.

How does this skill handle null safety?

The skill promotes the use of Optional for return types, Bean Validation (@NotNull), and advises using @Nullable only when absolutely necessary to minimize NullPointerExceptions.

What testing frameworks does it support?

The standards prioritize JUnit 5 for testing, AssertJ for fluent assertions, and Mockito for mock-based unit tests.

Does it provide specific advice for Spring Boot projects?

Yes, it includes specific guidance for Spring Boot service layers, including recommended project layouts for Maven and Gradle and DTO patterns.

Java Coding Standards

Name: Java Coding Standards
Author: Nixdorfer

byNixdorfer

•

API開発

Enforces best practices for Java 17 and Spring Boot to ensure code maintainability, type safety, and readability.

This skill provides a comprehensive framework for developing high-quality Java applications, specifically optimized for the Spring Boot ecosystem. It guides Claude in applying modern Java 17+ patterns, including the use of Records for immutability, functional programming with Streams and Optional, and robust domain-driven exception handling. By standardizing naming conventions, project layouts, and testing strategies, this skill helps development teams maintain a consistent and professional codebase while avoiding common code smells and technical debt.

主な機能

01Best practice templates for Optional usage and Stream API transformations.

021 GitHub stars

03Standardized Maven/Gradle directory structures for Spring Boot services.

04Comprehensive naming conventions for PascalCase, camelCase, and UPPER_SNAKE_CASE.

05Guidelines for domain-specific exception handling and error logging.

06Immutability enforcement through Java Records and final field patterns.

ユースケース

01Refactoring legacy Java code to utilize modern features like Records and sealed types.

02Establishing a unified coding style for distributed Spring Boot microservices.

03Automating code reviews by checking against predefined architectural and stylistic standards.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add nixdorfer/claudecodetool java-coding-standards

For use in Claude.ai and ChatGPT

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