JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

JavaScript and Java are two different programming languages, although they share a similar name, they have significant differences in design philosophy, type systems, variable declarations, function ...

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table ...

Learn what a variable is, how to declare it, what types of variables exist, and what scope and modifiers mean in Java, one of the most popular programming languages.

Arrays in Java are variables that contain multiple values. These let you store things like lists of high scores or phone numbers and can also be organized, counted, and manipulated in other ways.