If you want to know how other languages could work, in the sense of an OO version of the lambda-cube, read Cardelli and Abadi's Theory of Objects: http://www.am

If you want to know how other languages could work, in the sense of an OO version of the lambda-cube, read Cardelli and Abadi's Theory of Objects: http://www.amazon.com/dp/0387947752 http://www.amazon.com/dp/0387947752