RFR: 8177845: Need a mechanism to load Graal

Peter Levart peter.levart at gmail.com
Wed Apr 19 10:01:51 UTC 2017

On 04/19/2017 11:49 AM, Peter Levart wrote:
>> I was not aware of the new Map.ofEntries method. Nice to see more 
>> space efficient map implementations being added to the JDK.
> Admittedly, I used this method in a way not envisioned by the author. 
> Maybe there's a reason there is no Map.copyOf(Map) method there, which 
> would make this even simpler. If there was one, it would be too easy 
> to (mis)use it instead of Collections.unmodifiableMap(Map), albeit 
> with a slightly different semantics, and force re-hashing-copying of 
> big maps where there is no need to do that. But it would be a pretty 
> nice replacement for the following idiom:
> Collections.unmodifiableMap(new HashMap<>(someMap)) 

Sometimes I wish that besides public, protected, "package-private" and 
private, Java also had an "expert protected" access modifier ;-)

Regards, Peter

More information about the jigsaw-dev mailing list