Java 27 and 26: runnable demos and captured output for every JEP, plus version lanes

Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
2026-09-21 15:08:50 +00:00
commit f59c1de96d
152 changed files with 5049 additions and 0 deletions
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+// Gradle (build.gradle.kts): ask for a Java 25 toolchain
+plugins {
+    java
+    application
+}
+
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(25))
+    }
+}
+
+application {
+    mainClass.set("demo.App")
+}