Smalltalk is one of the earlier object-oriented languages.
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Q56: The term "interface" must be reinforced by
Q57: An object cannot consist of more objects.
Q58: The relationship of one object to its
Q59: "Literature" is an abstract class because we
Q60: Polymorphism is closely related to inheritance.
Q62: Smalltalk was created by the Learning Research
Q63: Complex products, regardless of the field to
Q64: UML models are not compatible with object-oriented
Q65: UML offers a set of graphical elements
Q66: UML supports the three major activities of
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