Labels:book | bulletin board | earth | reckoner | sky | tree | windowpane OCR: II-6 Mops General Reference Of course this isn't the only possible approach we have taken to multiple inheritance For example we could have had the ivar regions overlay rather than concatenate. We could op this as an option later if anyone wants For a good example of the use of multiple inheritance to simplify code look at the class Ordered Col in file Struct. and its associated classes Choosing between ivars and objects In addition to designing the class inheritance of your application, you will have to decide what should be an instance yariable and what should be public object Because an instance variable C invis ible to objects other than its owning object any communication between an ivar and other objects must be passed explicitly through the ivar's owning object I you find yourself c ...
