A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules: It can contain letters and numbers but must start with a letter. It must contain at least ...

A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules known as a naming convention: It can contain letters and numbers but must start with a ...

These examples were created with the goal of providing clear, concise, and runnable code snippets that illustrate the core features of each programming language.

Global variables are divisive: an invaluable shortcut or a dangerous example of sloppy code? Let's talk about what they do, ...