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.

Despite the syntactic similarity to a similar feature in JavaScript, this is not dynamic typing—all variables in Java still have a static type. Local variable type inference merely allows us to ...

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 ...

Variable names cannot contain spaces, which reduces readability when multiple words must be used to describe a variable's purpose. The underscore in a snake-cased variable tries to minimize this ...

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.