jikime-lang-java

Develop Java 21 and Spring Boot 3.3 enterprise applications with RESTful APIs and JPA.

5|1|Updated Jan 24, 2026
One-click install
npx skills add https://github.com/jikime/jikime-adk --skill jikime-lang-java
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: jikime-lang-java
Source: https://github.com/jikime/jikime-adk/tree/main/templates/.claude/skills/jikime-lang-java
Command: npx skills add https://github.com/jikime/jikime-adk --skill jikime-lang-java

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a comprehensive guide and code examples for developing modern enterprise applications using Java 21 LTS and Spring Boot 3.3, focusing on best practices and advanced features.

Core Features & Use Cases

  • Spring Boot 3.3 Development: Covers REST controllers, service layers, JPA entities, and repositories with best practices.
  • Java 21 Features: Demonstrates the practical application of Records, Virtual Threads, and Pattern Matching.
  • Testing & Project Structure: Includes examples for unit testing and a standard project layout.
  • Use Case: Quickly set up a new Spring Boot microservice, implement a REST API for user management, and leverage Java 21 features for improved concurrency and code conciseness.

Quick Start

Use the jikime-lang-java skill to generate a basic Spring Boot REST controller for managing users.

Frequently Asked Questions about jikime-lang-java

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up a Spring Boot 3.3 REST API with Java 21?

Set up a Spring Boot 3.3 REST API by generating REST controllers, service layers, and JPA repositories using Java 21 LTS. This Skill provides code examples and a standard project layout to quickly build microservices and implement complex business logic.

How do I use virtual threads in a Spring Boot application?

Use virtual threads in Spring Boot 3.3 to improve concurrency in enterprise applications. This Skill demonstrates practical application of Java 21 features like virtual threads and pattern matching to optimize microservice performance and code conciseness.

What is the best way to structure a Java 21 enterprise microservice?

Structure a Java 21 enterprise microservice using a standard project layout with separated REST controllers, service layers, and JPA entities. This Skill guides you through best practices for project setup, code structure, and testing.

Does this Java Skill support JPA persistence and unit testing?

Yes, this Java Skill supports JPA persistence and unit testing. It covers JPA entities and repositories for data persistence, alongside examples for unit testing to ensure robust enterprise application development.

Can I use Java records and pattern matching for Spring Boot development?

Yes, you can use Java records and pattern matching for Spring Boot development. This Skill covers modern Java 21 features, demonstrating their practical application to achieve improved code conciseness in enterprise applications.