All the smells in this group contribute to excessive coupling between classes or show what happens if coupling is replaced by excessive delegation.
- Feature Envy
A method accesses the data of another object more than its own data.
- Inappropriate Intimacy
One class uses the internal fields and methods of another class.
- Message Chains
In code you see a series of calls resembling
- Middle Man
If a class performs only one action, delegating work to another class, why does it exist at all?