Q. What are the two types of entities according to the philosophical viewpoint of objects?

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Q. What is the software engineering viewpoint of objects?

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Q. What is an object in the implementation viewpoint?

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Q. What are the two types of representation for objects in the implementation viewpoint?

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Q. What is the difference between value semantics and reference semantics in object representation?

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Q. Why is pure reference semantics considered inefficient?

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Q. How is the choice of storage model reflected in high-level language semantics?

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Q. What is the formal viewpoint of an object?

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Q. What makes formalization of the concepts and constructions of object-oriented languages difficult?

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Q. What is the definition of an object according to Coad and Yourdon (1991)?

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Q. What is an attribute in the context of Entity--Relationship Modeling?

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Q. In UML, how are attributes and relationships modeled?

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Q. What does the term attribute refer to in the context of object-oriented modeling?

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Q. What constitutes the state of an object in object-oriented modeling?

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Q. What do individual objects of a class in a programming language called?

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Q. What do objects in a programming language encapsulate?

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Q. What is the major behavioral aspect of an object?

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Q. What happens when a client requests some service from a server object in a programming language?

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Q. What happens to an object instance over time in a programming language?

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Q. Can information requested from an object in a programming language only concern the state of the object instance?

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