Clarification in Attributes equal

Lance Andersen lance.andersen at
Thu Jan 17 23:50:30 UTC 2019

Hi Philipp,

I suspect the behavior dates back to the original implementation in JDK 1.2.  I am not sure it should be changed at this point though the javadocs should be updated.

> On Jan 17, 2019, at 5:53 PM, Philipp Kunz <philipp.kunz at> wrote:
> Hi,
> In the JavaDoc comment for java.util.jar.Attributes#equals on line 269
> it says:
> [...] Returns true if the given object is also an instance of
> Attributes [...]
> but that is not actually true. Passing a LinkedHashMap results also in
> true returned given equal content of both maps.
> Comment and implementation don't match perfectly. But which way it
> should be?
> Could not be less important probably, so please excuse me if it's like
> spam.
> Philipp

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