02/12/2010 11:55:17 AM EST

Lift and Scala are both excellent technologies, but I don't believe that Google owns Foursquare. Foursquare seems to be the successor of Dodgeball, which was purchased by Google and then shut down.

United StatesSteven Merrill

02/15/2010 07:44:06 AM EST

With all due respect to Mr. Pollack and his innovative Lift framework, JSF is very typesafe. Saying that JSF is a framework where "everything is an Object" is to an entire phase of the JSF lifecycle, which is explicitly devoted to type safety. Ed Burns JSF spec co-lead.

United StatesEd Burns

05/27/2010 11:40:23 AM EST

The simple fact of the matter is that Scala generics are better specified and more useful than Java's. After all, Scala's type system was designed by the inventor of Java generics, with much benefit of hindsight. It fixes many of the problems in Java's system. Declaration-site variance works better than use-site variance. Things like abstract types have no equivalent in Java and definitely enable the use of generics for use cases where generics aren't a practical solution in Java. With Java, one is are sometimes faced with a choice between adding unwanted, nonsensical type parameters to a method and just giving up on generics. In Scala, one need not make that choice. I would say that Pollak's statement was fair in a sense, but it's more of a Scala versus Java issue than a Lift versus JSF issue.

United StatesNathan Bryant