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8257845: Integrate JEP 390

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8254047: [JEP 390] Revise "value-based class" & apply to wrappers
8252181: [JEP 390] Define & apply annotation jdk.internal.ValueBased
8252183: [JEP 390] Add 'lint' warning for @ValueBased classes
8257027: [JEP 390] Diagnose synchronization on @ValueBased classes
8252180: [JEP 390] Deprecate wrapper class constructors for removal

Co-authored-by: Roger Riggs <rriggs@openjdk.org>
Co-authored-by: Srikanth Adayapalam <sadayapalam@openjdk.org>
Co-authored-by: Lois Foltan <lfoltan@openjdk.org>
Reviewed-by: rriggs, hseigel, mchung, darcy
This commit is contained in:
Dan Smith 2020-12-08 23:04:01 +00:00
parent ed4c4ee73b
commit 48d8650ae1
113 changed files with 695 additions and 327 deletions
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10
src/java.base/share/classes/java/util/Set.java
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@ -82,10 +82,12 @@ package java.util;
* passed to a static factory method result in {@code IllegalArgumentException}.
* <li>The iteration order of set elements is unspecified and is subject to change.
* <li>They are <a href="../lang/doc-files/ValueBased.html">value-based</a>.
* Callers should make no assumptions about the identity of the returned instances.
* Factories are free to create new instances or reuse existing ones. Therefore,
* identity-sensitive operations on these instances (reference equality ({@code ==}),
* identity hash code, and synchronization) are unreliable and should be avoided.
* Programmers should treat instances that are {@linkplain #equals(Object) equal}
* as interchangeable and should not use them for synchronization, or
* unpredictable behavior may occur. For example, in a future release,
* synchronization may fail. Callers should make no assumptions
* about the identity of the returned instances. Factories are free to
* create new instances or reuse existing ones.
* <li>They are serialized as specified on the
* <a href="{@docRoot}/serialized-form.html#java.util.CollSer">Serialized Form</a>
* page.