To do just about anything of interest in a program, we need a group of data to work with.
For example, our program might need:
- A list of Twitter’s trending tags
- A set of payment options for a car
- A catalog of eBooks read over the last year
The need for storing a collection of data is endless.
We are familiar with data types like
double, but how do we store a group of
ints or a group of
In this lesson, we will start with one of the simplest, and arguably the most useful, ways of storing data in C++: a vector.
A vector is a sequence of elements that you can access by index.
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