The ability of different objects to respond to the same message in their own unique way.
: Detailed coverage of Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion.
Because the 5th edition was published in 2019, the "new" price may be high, but the used market is robust.
This comprehensive structure ensures you don't just learn what an object is, but how to use it in databases, web services, and mobile apps.
Look for repositories like barbking/object-oriented-thought-process which contain implementations of concepts from the book (e.g., C# examples, encapsulation examples).
: Provides the full text of the 5th Edition. They often offer a free 10-day trial for new users.
