Covariance and contravariance might seem esoteric, but you'll need these concepts more than ever as the Java language evolves. Get started with type dependency in array types, generic types, and ...

Java generics are the exciting new feature of Java 5 (renamed from J2SE 1.5) due for release shortly. Much controversy surrounds generics. In fact, Sam Pullara suggests that generics are just a ...

Ah, but my Entity is parametrized by the type of its leaf inheriting child, not some third type.<BR><BR>Extending his reasoning, I would have this:<BR><BR>class Entity<E extends Entity<E ...