Why isEmpty(), retainAll() and containsAll() not supported with default implementations in JDK8?

Roman Leventov leventov at ya.ru
Fri Feb 14 13:13:45 UTC 2014

I'm sure there was a discussion somewhere in JDK mailing lists, but I couldn't find. Please, give me a link.

I've tried to ask on SO: http://stackoverflow.com/questions/21758081/why-many-methods-in-jcf-interfaces-not-made-default-in-java-8, proved that JDK developers don't read SO :)

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