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 ...

The Comparable interface is simple because it only has one method; however, implementing the compareTo method can become tedious if you need to sort your object by multiple properties (especially if ...

Understanding type compatibility is fundamental to writing good Java programs, but the interplay of variances between Java language elements can seem highly academic to the uninitiated. This two-part ...