Add jdk28-preview module: JDK 28 early-access build, value classes, strict init flag, PEM, JSON incubator

Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Gth99spB1CzQmBFofXmU4Z
2026-09-28 08:48:04 +00:00
parent 57a04dc393
commit c8ff3acf09
15 changed files with 221 additions and 0 deletions
@@ -0,0 +1,11 @@
+# 04-pem-encodings (JEP 542): PemRoundTrip.java
+--- JDK 28, no flags:
+-----BEGIN PUBLIC KEY-----
+round trip equal: true
+--- JDK 25, no flags:
+src/PemRoundTrip.java:10: error: PEMEncoder is a preview API and is disabled by default.
+		String pem = PEMEncoder.of().encodeToString(kp.getPublic());
+		             ^
+--- JDK 25, --enable-preview:
+-----BEGIN PUBLIC KEY-----
+round trip equal: true