Chapter 10

1. TDD stands for test-driven development, and the aim is to write tests before the actual implementation of the project. This helps to define project requirements more clearly and avoid most of the bugs in the code beforehand.
2. Interaction diagrams picture the exact process of communication of the objects. This allows developers to have a high-level view of the actual program execution for any given moment.
3. In the case of aggregation, the class that contains an instance or instances of other classes could be instantiated without the aggregate. The composition, on the other hand, expresses the strong containment.
4. In simple terms, the Liskov substitution principle ensures that any function taking an object of some type T as an argument will also take an object of type K if K extends T.
5. The open-closed principle states that the class should be open for extension and closed...