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Life cycle of Objects in C++ with Example

Last Updated: 04 August 2021

In Object Oriented Programming, Objects are the instances of a class which has its own state(variables) and behavior(methods).Every class has two special methods related w...read more

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C++ Interview questions based on constructors/ Destructors.

Last Updated: 28 August 2018

1. What is destructor?Ans. Destructor is a member function which is called when an object is deleted/destroyed or goes out of scope.[sourcecode language="CPP"]class String ...read more

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Rule Of Three in C++

Last Updated: 16 July 2021

This rule basically states that if a class defines one (or more) of the following, it should explicitly define all three, which are:destructorcopy constructorcopy assignme ...read more

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Virtual destruction using shared_ptr in C++

Last Updated: 02 September 2022

Prerequisite: shared_ptr, Virtual Destructor As we know, deleting a derived class object using a pointer to a base class that has non-virtual destructor results in undefin ...read more

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Last Updated: 08 September 2023

What is a destructor?Destructor is an instance member function that is invoked automatically whenever an object is going to be destroyed. Meaning, a destructor is the last ...read more

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Private Destructor in C++

Last Updated: 17 January 2023

Destructors with the access modifier as private are known as Private Destructors. Whenever we want to prevent the destruction of an object, we can make the destructor priv ...read more

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Last Updated: 29 May 2017

Predict the output of the below code snippet. [sourcecode language="CPP"]#include iostreamusing namespace std;int i;class A{public: ~A() { i=10; }};int foo ...read more