What will the following program display? #include <iostream> using namespace std; class First{protected: int a;public:First(int x = 1) { a = x; } virtual void twist() { a *= 2; } int getVal() { twist(); return a; }};class Second : public First {private: int b;public:Second(int y = 5) { b = y; } virtual void twist() { b *= 10; }};int main() {First object1; Second object2;cout << object1.getVal() << endl; cout << object2.getVal() << endl; return 0;}
What will the following program display? #include <iostream> using namespace std; class First{protected: int a;public:First(int x = 1) { a = x; } virtual void twist() { a *= 2; } int getVal() { twist(); return a; }};class Second : public First {private: int b;public:Second(int y = 5) { b = y; } virtual void twist() { b *= 10; }};int main() {First object1; Second object2;cout << object1.getVal() << endl; cout << object2.getVal() << endl; return 0;}
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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Question
What will the following
#include <iostream> using namespace std; class First
{
protected: int a;
public:
First(int x = 1) { a = x; } virtual void twist() { a *= 2; } int getVal() { twist(); return a; }
};
class Second : public First
{
private: int b;
public:
Second(int y = 5) { b = y; } virtual void twist() { b *= 10; }
};
int main()
{
First object1; Second object2;
cout << object1.getVal() << endl; cout << object2.getVal() << endl; return 0;
}
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