RFR: 8215401: Add isEmpty default method to CharSequence

[Alan Bateman]

On 19/05/2020 20:35, Claes Redestad wrote:
> Hi Jason,
>
> I guess overriding and marking the CharBuffer method final for
> consistency wouldn't hurt. Except I probably need to pass this through
> another CSR review.
>
> Also added test cases for char[] and String-based CharBuffers:
>
> http://cr.openjdk.java.net/~redestad/8215401/open.01/

Yes, CharBuffer sometimes needs attention default methods are added to 
CharSequence. In this case it shouldn't need anything but overriding the 
javadoc is okay (just missing @since 15).

For the test then you could expand it to test the views of heap and 
direct buffers (asCharBuffer).

-Alan