Java 25 preview 실험 대상

feature마다 별도 질문과 source branch를 둔다.

Preview lab

JEP 502

Stable Values lazy constant

first preview

Structured Concurrency

fifth preview

Primitive patterns

third preview

release 25 + enable-preview

contract

핵심: feature별 preview 차수와 installed JDK patch version을 함께 기록한다.