For example, InetAddress (in the java.net package), which represents an Internet Protocol address, declares a private Addresses interface that’s implemented by private CachedAddresses and ...

Don't be intimidated by the prospect of doing functional programming in Java. This step-by-step example will help you learn basic Java lambda syntax quickly and effectively.

Java also lets you nest interfaces in interfaces and classes in interfaces. Check out this article on nested interfaces to learn about this strange but occasionally useful Java language feature.

It also has a variable r which is an interface type. Since we cannot create the interface automatically when an example of ITER is created, we specify the AUTOCREATE='N' option. The iterator has three ...