In this Java 101 tutorial, I’ve explained how interfaces differ from classes, and showed you how to declare, implement, and extend interfaces in your Java programs.

Lambdas and the Function interface The goal of the Function interface is to take a value from the program, perform some type of calculation or operation on that value and then return a new value. Here ...

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 ...