Iron Law: Always load the java-spring-api skill and consult Spring MCP before writing Java code; never generate Spring WebFlux patterns from memory.

Java Coding Standards

Standards for readable, maintainable Java (21+) code in Spring Boot Reactive Web Flux services.

Core Principles

• Prefer clarity over cleverness
• Immutable by default; minimize shared mutable state
• Fail fast with meaningful exceptions
• Consistent naming and package structure

Key Rules