Skill UI

Migrate Java code from javax.* to jakarta.* namespace for Jakarta EE upgrades (Tomcat 10+, Spring Boot 4, etc.). Covers import replacement, dependency coordinates, web.xml updates, verification steps, and excludes JDK packages.

This comprehensive guide outlines established best practices for developing robust, high-quality applications using Helidon 4 (SE and MP) in Java 21+. It covers API migrations, project structure, dependency management, and architectural patterns for both MicroProfile and standalone services, ensuring adherence to modern Jakarta EE standards and scalable web development patterns.