Shotgun Surgery.

Making any modifications requires that you make many small changes to many different classes.

class User { String phone; }
class UserForm { String phone; }
class UserDto { String phone; }
class UserRow { String phone; } // one new field, four classes

A single responsibility has been split up among a large number of classes. This can happen after overzealous application of Divergent Change.

• Better organization.

• Less code duplication.

• Easier maintenance.