In this tutorial you learned

• What a variable is
• What a type is
• The difference between primitive and non-primitive types
• What a value type is, and what a reference type is
• How to declare a variable
• The meaning of the var keyword

In this tutorial you have learned how we to create/declare variables in our code. You also discovered what are value type and a reference type.  Lastly, you learned the special var keyword and what it means in your code.

In the next tutorial "Classes" you will learn

• What is a class
• How to create a class
• How to declare a class
• When to use a class in your code