Add jep511 module: module import declarations on JDK 25 and 27

Runnable sources, deliberate compile failures, three small modules and nine captured transcripts for import module (JEP 511). Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a
2026-09-24 10:57:57 +00:00
parent 2ebea58d39
commit 385cc25233
44 changed files with 715 additions and 0 deletions
@@ -0,0 +1,71 @@
+$ java --describe-module java.sql     (25.0.4.1+1-LTS)
+[email protected]
+exports java.sql
+exports javax.sql
+requires java.xml transitive
+requires java.logging transitive
+requires java.transaction.xa transitive
+requires java.base mandated
+uses java.sql.Driver
+
+$ java --describe-module java.se | grep -c 'requires'     (25.0.4.1+1-LTS)
+20
+
+$ java --describe-module java.se | grep -c exports     (25.0.4.1+1-LTS)
+0
+
+$ javac src/Transitive.java && java Transitive     (25.0.4.1+1-LTS)
+demo
+0
+java.xml
+[java.base needed its own import]
+
+$ javac src/Transitive.java && java Transitive     (27+35)
+demo
+0
+java.xml
+[java.base needed its own import]
+
+$ javac broken/SqlDoesNotGiveBase.java     (25.0.4.1+1-LTS)
+broken/SqlDoesNotGiveBase.java:5: error: cannot find symbol
+        List<String> l = List.of("x");     // java.util.List lives in java.base
+        ^
+  symbol:   class List
+  location: class SqlDoesNotGiveBase
+broken/SqlDoesNotGiveBase.java:5: error: cannot find symbol
+        List<String> l = List.of("x");     // java.util.List lives in java.base
+                         ^
+  symbol:   variable List
+  location: class SqlDoesNotGiveBase
+2 errors
+
+$ javac broken/SqlDoesNotGiveBase.java     (27+35)
+broken/SqlDoesNotGiveBase.java:5: error: cannot find symbol
+        List<String> l = List.of("x");     // java.util.List lives in java.base
+        ^
+  symbol:   class List
+  location: class SqlDoesNotGiveBase
+broken/SqlDoesNotGiveBase.java:5: error: cannot find symbol
+        List<String> l = List.of("x");     // java.util.List lives in java.base
+                         ^
+  symbol:   variable List
+  location: class SqlDoesNotGiveBase
+2 errors
+
+$ javac src/JavaSe.java     (25.0.4.1+1-LTS)
+src/JavaSe.java:1: error: unnamed module does not read: java.se
+import module java.se;
+^
+1 error
+
+$ javac src/JavaSe.java     (27+35)
+src/JavaSe.java:1: error: unnamed module does not read: java.se
+import module java.se;
+^
+1 error
+
+$ javac --add-modules java.se src/JavaSe.java && java JavaSe     (25.0.4.1+1-LTS)
+[a] x 0
+
+$ javac --add-modules java.se src/JavaSe.java && java JavaSe     (27+35)
+[a] x 0