On Fri, 16 Oct 2020 05:41:17 GMT, David Holmes <dhol...@openjdk.org> wrote:
>> Kim Barrett has updated the pull request with a new target base due to a >> merge or a rebase. The incremental webrev >> excludes the unrelated changes brought in by the merge/rebase. The pull >> request contains 11 additional commits since >> the last revision: >> - Merge branch 'master' into refersto >> - More explicit refersTo0 comment. >> - simplify test >> - cleanup nits from Mandy >> - use Object instead of TestObject >> - improve refersTo0 descriptions >> - basic functional test >> - change referent access >> - expand test >> - remove CMS comment >> - ... and 1 more: >> https://git.openjdk.java.net/jdk/compare/b5adeaad...ab4e519b > > src/java.base/share/classes/java/lang/ref/Reference.java line 348: > >> 346: * Tests if this reference object refers to {@code obj}. If {@code >> obj} is >> 347: * {@code null}, this method returns {@code true} if this reference >> object >> 348: * refers to {@code null} or has been cleared. > > Is there actually a distinction between clearing and referring to null? A (not very useful) Reference can be created with a null referent. ------------- PR: https://git.openjdk.java.net/jdk/pull/498
