Types of Things in Programming Variables – Stored data Functions – code that does stuff Loops – A function that runs when its conditions are met Variables: There are 6 important types of variables: Integers – Any whole number Floats – Floating point number, any decimal Null – No value (NOT THE SAME AS 0) Chars – Single characters, can be letters or numbers Boolean – True/False String – Anything that doesn’t fit into the above categories.