Runnable, the “YouTube of Code” which launched exactly three months ago, today announced support for a number of new languages, as well as extended support for companies and open source projects that ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

Get a primer on the basic syntax of lambda expressions and learn about target types, then find out how lambdas interact with scopes, local variables, the this and super keywords, and exceptions in ...