$ java --describe-module java.base | grep -c '^exports'     (25.0.4.1+1-LTS)
58

$ java --describe-module java.sql     (25.0.4.1+1-LTS)
java.sql@25.0.4.1
exports java.sql
exports javax.sql
requires java.transaction.xa transitive
requires java.base mandated
requires java.xml transitive
requires java.logging transitive
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
