Please review this PR which adds the `final` modifier to non-subclassable classes in `java.base`.
The classes were identified using an automated analysis. See CSR for details. Besides simply adding the `final` access modifier, the PR: * Updates a note in `java.lang.constant.DynamicCallSiteDesc` to not reference subtypes. See CSR for discussion. * Removes the class `java.lang.Runtime` from the test `test/jdk/jdk/internal/reflect/CallerSensitive/CheckCSMs.java` * Updates the copyright year of affected source files ------------- Commit messages: - Merge branch 'master' into non-subclassable-final - Update copyright years - Runtime class is marked final, remove it from the CheckCSMs test - Leave out the constructor access for now since the are not relevant for the CSR review - Reword note about immutability and object immutability to reference object instances instead of the class. - Resurrect note about immutability and object identity, but without any reference to subtypes - Mark non-subclassable classes in 'java.base' final Changes: https://git.openjdk.org/jdk/pull/22389/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22389&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8344943 Stats: 35 lines in 22 files changed: 0 ins; 3 del; 32 mod Patch: https://git.openjdk.org/jdk/pull/22389.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22389/head:pull/22389 PR: https://git.openjdk.org/jdk/pull/22389
