NOTE : read the rest of the series, or check out the source code.
If you enjoy reading these exercises then please buy Crista’s book to support her work.
Following on from the last post, we will look at the Things style today.
Style 10 – Things
You may also know this style as OOP.
- Larger problem is decomposed into things that make sense for the problem domain
- Each thing is a capsule of data that exposes procedures to the rest of the world
- Data is never accessed directly, only through these procedures
- Capsules can re-appropriate procedures defined in other capsules
First, we have a thing for storing data from a file:
Then, we another thing for storing the stop words we’ll dealing with later:
Next, we have another thing that keeps track of the word frequencies:
Finally, we have a thing that controls the flow of our application:
And to tie everything together, we need to construct and run the controller:
You can find the source code for this exercise here.
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