Along with nesting, Java uses packages to resolve same-name issues in top-level reference types. Using static imports also simplifies access to the static members in packaged top-level reference ...

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 ...

Project Valhalla has posted a major update and has announced some initial, very early-stage design concepts for value types in the JVM.