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 to ...

Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java Welcome back to this two-part tutorial ...

Got a selection sort from a previous programming class for plain old arrays that I've been trying to translate to array lists, but I'm missing key info on toArray or an easy way to copy the fields ...