Object-Orientation Abusers

Incomplete or incorrect application of OO principles.

Table of Contents

• Switch Statements: Prefer Polymorphism over switch on type.
• Temporary Field: Fields only used in specific circumstances/methods, empty otherwise.
• Refused Bequest: Subclasses that don’t want their inheritance.
• Alternative Classes with Different Interfaces: Two classes do the same thing but have different signatures.
• Anemic Domain Model: Domain objects with no behavior.