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 ...

We start with how sorting algorithms work. Although you don’t need to implement sorting algorithms yourself, it’s useful to know how they work internally. You can skip to the next section if you just ...

Anyone who has taken a basic computer science class has undoubtedly spent time devising a sorting algorithm—code that will take an unordered list of items and put them in ascending or descending order ...