JDK-8172720 : Collections.SingletonList::hashCode not spec-compliant
Type:Bug
Component:core-libs
Sub-Component:java.util:collections
Affected Version:9
Priority:P2
Status:Closed
Resolution:Fixed
Submitted:2017-01-12
Updated:2021-03-03
Resolved:2017-01-12
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Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
JDK-8037325 implemented SingletonList as
return Objects.hashCode(element);
but it needs to be
return 31 + Objects.hashCode(element);
to be compliant with specification.