Lecture 22 Summary, CSE 341 Spring 2004

Advanced Topics in OO (not considering static typing)

* classes-are-objects makes the "factory" pattern unnecessary

* classes-are-objects begs uncomfortable language-definition questions
  about what is the class of a class of a ...

* changing superclasses can change the behavior of subclasses in
  undesirable ways (consistent with object semantics)

* multiple inheritance may allow more code reuse, but raises tough
  issues because method or field names may conflict.