Types

Introduction: Hello! This tutorial will teach you about variables. What are variables? Variables are pieces of data which are used to store more data. Every variable has a type, a name and a value; if the variable does not have a value then its value is 'null' or 'nothing'. What types can variables be? There are a few different types of variable, the most common ones being: - String - Double - Int (Integer) - Long - Boolean A string is a piece of text containing letters, numbers and symbols.