Although this fundamental objective remains unchanged for object-oriented software, the nature of OO programs changes both testing strategy and testing tactics.

Ocaml is simply not designed for writing Java-like object oriented code. The second problem is his claim that testing in functional languages is more difficult than with Java.

Object-oriented programming, the foundation of modern software engineering, enables developers to structure their code into reusable “objects” that model real-world entities. While OOP is a ...