CPP program to illustrate the order of execution of constructors and destructors in inheritance

Suryateja Pericherla 01/23/2025 6:16am GMT+0530 Categories: Inheritance. No Comments

In this article we will learn to implement a CPP program to illustrate the order of execution of constructors and destructors in inheritance. A C++ program is provided below to demonstrate in which order constructors and destructors are executed in inheritance.

Program is as follows:

#include <iostream>
using namespace std;
class A
{
	public:
		A()
		{
			cout<<"A's Constructor"<<endl;
		}
		~A()
		{
			cout<<"A's Destructor"<<endl;
		}
};
class B : A
{
	public:
		B()
		{
			cout<<"B's Constructor"<<endl;
		}
		~B()
		{
			cout<<"B's Destructor"<<endl;
		}
};
class C : B
{
	public:
		C()
		{
			cout<<"C's Constructor"<<endl;
		}
		~C()
		{
			cout<<"C's Destructor"<<endl;
		}
};
int main()
{
	C c;
	return 0;
}

Output for the above program is as follows:

A's Constructor
B's Constructor
C's Constructor
C's Destructor
B's Destructor
A's Destructor

Suryateja Pericherla

Suryateja Pericherla, at present is a Research Scholar (full-time Ph.D.) in the Dept. of Computer Science & Systems Engineering at Andhra University, Visakhapatnam. Previously worked as an Associate Professor in the Dept. of CSE at Vishnu Institute of Technology, India.

He has 11+ years of teaching experience and is an individual researcher whose research interests are Cloud Computing, Internet of Things, Computer Security, Network Security and Blockchain.

He is a member of professional societies like IEEE, ACM, CSI and ISCA. He published several research papers which are indexed by SCIE, WoS, Scopus, Springer and others.

CPP program to illustrate the order of execution of constructors and destructors in inheritance

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