Question

Write the output of the following program.

#include<iostream>
using namespace std;
class A
{ protected:
int x;
public:
void show()
{cout<<"x = "<<x<<endl;}
A()
{ cout<<endl<<" I am class A "<<endl;}
~A()
{ cout<<endl<<" Bye ";} };
class B : public A
{protected:
int y;
public:
B(int x1, int y1)
{ x = x1;
y = y1; }
B()
{ cout<<endl<<" I am class B "<<endl; }
~B()
{ cout<<endl<<" Bye "; }
void show()
{ cout<<"x = "<<x<<endl;
cout<<"y = "<<y<<endl; } };
int main()
{A objA;
B objB(30, 20);
objB.show();
return 0; }

Answer 1

Output:

I am class A
I am class B
X = 30 Y = 20
Bye Bye
Bye