Constructors play a key role in all object-oriented programming languages, and Java is no exception. Every class a Java developer creates needs a constructor. Constructors perform numerous important ...

Java is an object-oriented programming language, but there’s more to Java than programming with objects. This tutorial is the first of several introducing non-object-oriented features and syntax ...

Array types in Java are not implicitly contravariant, but they can be explicitly contravariant , just like generic types. I’ll offer some examples later in the article.