RFR: 8282756: Make ElementKind checks more specific

[Joe Darcy]

On Tue, 8 Mar 2022 17:58:28 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Out of all executable elements, inherit documentation only for methods.
>
> src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java line 311:
> 
>> 309:     // Note that e.getKind().isInterface() is not the same as e.getKind() == INTERFACE
>> 310:     public boolean isInterface(Element e) {
>> 311:         return e.getKind() == INTERFACE;
> 
> This seems asymmetrically different from `isClass`. We should come up with more consistent terminology/usage.

isClassExact? isInterfaceExact?

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PR: https://git.openjdk.java.net/jdk/pull/7747