RFR: 8215401: Add isEmpty default method to CharSequence

[Alan Bateman]

On 20/05/2020 16:21, Claes Redestad wrote:
>
> Ok - I'll also update and resubmit the CSR with the edits and additions
> that came up during review here.
>
>> For the test then you could expand it to test the views of heap and 
>> direct buffers (asCharBuffer).
>
> How about this:
>
> http://cr.openjdk.java.net/~redestad/8215401/open.02/
Looks good.

-Alan.