| Class | Description |
|---|---|
| CensusData |
Just a resizing array for holding the input.
|
| CensusGroup |
Just a class representing a single census group (one line in the file).
|
| Pair<T,S> |
This class represents an immutable pair of types T and S.
|
| PopulationQuery |
This class queries census data to find population densities in different
areas of the US.
|
| Rectangle |
A class to represent a Rectangle.
|