Variables
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.