DAY 3
WEEK 1
3 Working with Variables and Constants
and Constants
Programs need a way to store the data they use or create so it can be used later
in the program’s execution. Variables and constants offer various ways to repre-
sent, store, and manipulate that data.
Today, you will learn- How to declare and define variables and constants
- How to assign values to variables and manipulate those values
- How to write the value of a variable to the screen
What Is a Variable? ................................................................................................
In C++, a variableis a place to store information. A variable is a location in
your computer’s memory in which you can store a value and from which you
can later retrieve that value.