Deprecating Java's Finalizer

From DZone Java Zone
March 17, 2017 - 12:01pm
JDK-8165641 ("Deprecate Object.finalize") has been opened to "deprecate Object.finalize()" because "finalizers are inherently problematic and their use can lead to performance issues, deadlocks, hangs, and other problematic behavior" and because "the timing of finalization is unpredictable with no guarantee that a finalizer will be called." I recently experienced and wrote about some of these nasty consequences of using Object.finalize() in the post Java's Finalizer is Still There. In the message RFR 9: 8165641 : Deprecate Object.finalize, Roger Riggs invites review and comment on the changes associated with this issue [150 new lines that include the addition of @Deprecated to java.lang.Object.finalize() and numerous additions of @SuppressWarnings("deprecation") annotations on current JDK classes' implementations of Object.finalize() methods].


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