With Java 8 came one of the greatest additions to Java: the Stream API. And one of its important aspects is collecting its results.

Since its proposition in 1994, CSS has evolved from a static description of simple styles to a cornerstone of modern web design.

The human mind loves to simplify concepts to more natural, understandable terms. That’s why bike sheds, shaved yaks, and airplane landing strips can teach us something about software development and project management.

Until Java 8, there was no better way to handle null references than checking your variables at every turn. The new class java.util.Optional<T> changed that significantly.