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Suppose the class Hero is derived from the class Actor. Consider these statements: Actor* ac = new Actor; Hero* hr = new Hero; ac = hr; What happens at the ac = hr assignment? It is a compile-time error. It is a run-time error. A Hero object is sliced to an Actor object. A derived-class pointer is assigned to a base-class pointer.

Suppose the class Hero is derived from the class Actor. Consider these statements: Actor* ac = new Actor; Hero* hr = new Hero; ac = hr; What happens at the ac = hr assignment? It is a compile-time error. It is a run-time error. A Hero object is sliced to an Actor object. A derived-class pointer is assigned to a base-class pointer.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Suppose the class Hero is derived from the class Actor. Consider these statements: Actor* ac = new Actor; Hero hr = new Hero; ac = hr; What happens at the ac = hr assignment? It is a compile-time error. It is a run-time error. A Hero object is sliced to an Actor object. A derived-class pointer is assigned to a base-class pointer.
Transcribed Image Text:Suppose the class Hero is derived from the class Actor. Consider these statements: Actor* ac = new Actor; Hero hr = new Hero; ac = hr; What happens at the ac = hr assignment? It is a compile-time error. It is a run-time error. A Hero object is sliced to an Actor object. A derived-class pointer is assigned to a base-class pointer.
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