Smalltalk, Objects, and Design

abstract class aggregation anObject application Array at:put behavior broadcast Browse browser callback called Chapter class hierarchy class method collection classes collector Commentary compiler conceptual model consists container copy CRC cards create database define developers dialects display dynamic binding elements example execute exercise framework function garbage collection global variable handlers IBM Smalltalk icon ifTrue implementation inheritance instance methods instance variable Integer interaction diagrams kind of object lookup menu metaclass metaphor model objects Motif object-oriented design object-oriented languages object-oriented programming occur operating OrderedCollection pattern Penguin pointer polymorphism pool dictionaries problem pure virtual Rectangle refer responsibility reuse selector shape ShapeRoom Smalltalk code Smalltalk-80 Solution and discussion SortedCollection specific stack string subclass subtype superclass talk tion transaction undo update v-table virtual machine VisualAge VisualWorks walkback Whale widget window word write