For example, you might use a vending machine interface to select an item, pay for it, and receive a food or drink item. From a programming perspective, an interface sits between software components.

The functional Predicate interface gets used extensively by the Java 8 Streams API. Any developer who wants to master functional programming in Java will need to be comfortable with the Predicate ...

This tutorial is an introduction to socket programming in Java, starting with a simple client-server example demonstrating the basic features of Java I/O. You’ll be introduced to both the ...

So to learn Java lambda syntax, you need to be familiar with its three component parts: The argument list The arrow The method body To apply these concepts, we first need a functional interface. A ...