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Given the following declarations class Dog publiei virtual void bark () (cout << "bark" << endl: ) class Rotweiler i public Dog ( publier void bark O(cout << "MOOF"

Given the following declarations class Dog publiei virtual void bark () (cout << "bark" << endl: ) class Rotweiler i public Dog ( publier void bark O(cout << "MOOF"

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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Given the following declarations class Dog public: virtual void bark() ( cout << "bark" << endl: } clans Rotweiler i public Dog publier void bark(0(cout < "HOOFI" < endl: } class Chihuahua : public Dog public: void bark () ( cout << "yip!" <« endli1 class Minichi: publie Chihuahua ( public: void bark () cout cc "aqueek!" <« endl; and the following code: Dog a- Dog () Dog b - Minichi (): Dog a new Chihuahua () r Dog d new Rotweiler ()r Match the following functions to what they display (some answers may be used more than once): v a.barkt A. bark v b.bark( squeek v c.bark: v d barko o. WOOR
Transcribed Image Text:Given the following declarations class Dog public: virtual void bark() ( cout << "bark" << endl: } clans Rotweiler i public Dog publier void bark(0(cout < "HOOFI" < endl: } class Chihuahua : public Dog public: void bark () ( cout << "yip!" <« endli1 class Minichi: publie Chihuahua ( public: void bark () cout cc "aqueek!" <« endl; and the following code: Dog a- Dog () Dog b - Minichi (): Dog a new Chihuahua () r Dog d new Rotweiler ()r Match the following functions to what they display (some answers may be used more than once): v a.barkt A. bark v b.bark( squeek v c.bark: v d barko o. WOOR
5:07 M Question 6 Given the following code: Line 1 publie elass ClaasA Line 2 ( Line 3 public classA() } public void methodi (int a)() Line 4 Line 5 Line 6 Line 7 Line 8 public claas Clasas extenda claasA Line 9 Line 10 ) public ClasaB() () public void methodi ()(} Line 11 public class clasac extends clasaB Line 12 ( Line 13 public ClassC() () public void methodi () {} Line 14 Line 15 } Which methodi will be executed when the follovtng statements are executed? classa item1- new ClaanB (); iteml.methodi () O methodl on Line 4 O method1 on Line 9 O methodl on Line 14 O This is an error and will cause the program to crash.
Transcribed Image Text:5:07 M Question 6 Given the following code: Line 1 publie elass ClaasA Line 2 ( Line 3 public classA() } public void methodi (int a)() Line 4 Line 5 Line 6 Line 7 Line 8 public claas Clasas extenda claasA Line 9 Line 10 ) public ClasaB() () public void methodi ()(} Line 11 public class clasac extends clasaB Line 12 ( Line 13 public ClassC() () public void methodi () {} Line 14 Line 15 } Which methodi will be executed when the follovtng statements are executed? classa item1- new ClaanB (); iteml.methodi () O methodl on Line 4 O method1 on Line 9 O methodl on Line 14 O This is an error and will cause the program to crash.
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