Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need ...

In this Java tip, you’ll learn three common ways to use nesting techniques with Java interfaces. I’ll also briefly demonstrate nesting interfaces with static methods, also known as static ...

You will run into the Function interface in a variety of places, especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap ...