RFR(s): 8140281 add no-arg Optional.orElseThrow() as preferred alternative to get()

[Alan Bateman]

On 08/12/2017 00:33, Stuart Marks wrote:
> Hi all,
>
> Please review this changeset that introduces a new no-arg method 
> orElseThrow() to Optional, as a preferred alternative to the get() 
> method.
>
This looks good. The naming is consistent and I think better than the 
"getWhenPresent" proposed in the original thread.

-Alan