Answered: Answer the following questions for the…

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

See similar textbooks

Related questions

Question

Answer the following questions for the program below:

1 #include <iostream>
2 using namespace std;
3
4 class Parent

5 {
6 public:
7 void f()

8 {
9 cout << "invoke f from Parent" << endl;

10 }
11 };
12
13 class Child: public Parent

14 {
15 public:
16 void f()

17 {
18 cout << "invoke f from Child" << endl;

19 }
20 };
21
22 void p(Parent a)

23 {
24 a.f();

25 }
26
27 int main()

28 {
29 Parent a;

30 a.f();

31 p(a);
32
33 Child b;

34 b.f();

35 p(b);
36
37 return 0;

38 }

a. What is the output of this program?
b. What will be the output if line 7 is replaced by virtual void f()?
c. What will be the output if line 7 is replaced by virtual void f() and line 22 is replaced by void p(Parent& a)?

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions