Add gradle9 module: Spring Boot 4 build migrated from Gradle 8 to Gradle 9

Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Gth99spB1CzQmBFofXmU4Z
2026-09-28 09:00:03 +00:00
parent b4b43b94bf
commit 804c33f0d5
25 changed files with 689 additions and 0 deletions
@@ -0,0 +1,5 @@
+$ gradle build     # Gradle 9.8.0, JDK 25, same legacy build, unchanged
+Build file 'WORK/b/build.gradle' line: 9
+* What went wrong:
+> Could not set unknown property 'sourceCompatibility' for root project 'g9demo' of type org.gradle.api.Project.
+BUILD FAILED