9.6.4.4: Avoid stating that an interface does not have Object as a supertype

Since JLS7, the section on `@Override` has said in a note that an interface does not have Object as a supertype (see https://docs.oracle.com/javase/specs/jls/se7/html/jls-9.html#jls-9.6.3.4 and https://docs.oracle.com/javase/specs/jls/se16/html/jls-9.html#jls-9.6.4.4) :

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For the interface declaration, consider that while an interface does not have Object as a supertype, an interface does have public abstract members that correspond to the public members of Object (§9.2). If an interface chooses to declare them explicitly ...
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Section 4.10.2 "Subtyping among Class and Interface Types" was clarified in JLS8 to state that an interface can have Object as a supertype. Therefore, the 9.6.4.4 note ought to read:

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For the interface declaration, consider that an interface has public abstract members which correspond to the public members of Object (§9.2). If an interface chooses ...
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