Refactoring With Types

Learn more about refactoring with types in Java

In this post, we will look at some refactoring techniques using types. Types can be used to represent the domain in a fine-grained, well-defined way. Additionally, types can be used to incorporate business rules in a manner that ensures code correctness. This enables us to write simple and elegant unit tests to ensure code correctness.

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Refactoring With Types

Recently, while reviewing code, I came across the following class: