Explain each line in main and explain why the output looks how it looks.   #include using namespace std;   class A { public:        A()        {               n=0;        }        A(int x)        {               n=x;        }        void f()        {               n++;        }        void g()        {               f();               n=n*2;               f();        }        int k()        {               return n;        }        void p()        {               cout<

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
icon
Related questions
Question

Explain each line in main and explain why the output looks how it looks.

 

#include <iostream>

using namespace std;

 

class A

{

public:

       A()

       {

              n=0;

       }

       A(int x)

       {

              n=x;

       }

       void f()

       {

              n++;

       }

       void g()

       {

              f();

              n=n*2;

              f();

       }

       int k()

       {

              return n;

       }

       void p()

       {

              cout<<n<<endl;

       }

private:

       int n;

};

void main()

{

       A a;

       A b(2);

       A c=b;

       A d=A(3);

       a.f();

       b.g();

       c.f();

       d.g();

       d.p();

       A e(a.k() + b.k() + c.k() + d.k());

       e.p();

}

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Reference Types in Function
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education