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C++ Destructor

In C++, a C++ Destructor is a special method but that will be called once the object is destroyed or deleted.

Syntax of C++ Destructor

   //code to be executed

Why using C++ Destructor

Destructors are used to release any resources allocated by the object. E.g., class Lock might lock a semaphore, and the destructor will release that semaphore. The most common example is when the constructor uses new, and the destructor uses delete.

C++ Example of Destructor

#include <iostream>
using namespace std;
class SayHelloWorld{
    cout<<"SayHelloWorld Constructor has been called"<<endl;
    cout<<"SayHelloWorld Destructor has been called"<<endl;

   void displayHelloWorldMessage(){
     cout<<"Hello World!"<<endl;
int main(){

   SayHelloWorld helloWorldObject;


   return 0;


SayHelloWorld Constructor has been called
Hello World!
SayHelloWorld Destructor has been called


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