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- Prerequisites, Goals and Outcomes Prerequisites: Before you begin lab 4, you need mastery of the following: (1) Use the instanceof operator for checking the run-time type of a reference. (2) Knowledge of inheritance, polymorphism. (3) UML(Knowledge of class diagram notation) and object-oriented design. Goals:Reinforce your object-oriented design skills.
Outcomes:You will master the following skills: (1) Master the knowledge of inheritance and run-time type information. (2) Produce a UML class diagram, from a specification, that shows classes, attributes, methods and relationships.
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