RFR: 8257639: Update usage of "type" terminology in java.lang.Enum & java.lang.Record

[Daniel Fuchs]

On Mon, 7 Dec 2020 17:31:34 GMT, Julia Boes <jboes at openjdk.org> wrote:

> This change applies a stricter semantic distinction of 'type' versus 'class and interface'. This is based on the JLS changes described in the "Consistent Class and Interface Terminology" document: https://download.java.net/java/early_access/jdk16/docs/specs/class-terminology-jls.html.
> 
> The following rules were applied:
> - 'class' and/or 'interface' are used when referring to the class/interface itself
> - 'type' is used when referring to the type of a variable or expression

src/java.base/share/classes/java/lang/Enum.java line 62:

> 60:  * java.util.EnumMap map} implementations are available.
> 61:  *
> 62:  * @param <E> The enum class subclass

I wonder about this one, given that `<E>` is a type. It sounds strange to me - even though I understand that what is meant is that this type should point to a class (a subclass of `java.lang.Enum`).

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PR: https://git.openjdk.java.net/jdk/pull/1670