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Last Updated: 04 April 2024

In C++, releasing memory means deallocating the memory that was previously allocated by the user. It is very important to avoid memory leaks ...read more

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How to Find the Size of a Dynamically Allocated Array in C++?

Last Updated: 06 March 2024

In C++, dynamic memory allocation enables the users to manage the memory resources during the execution of the program and is very useful fo ...read more

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How to Delete a Pointer in C++?

Last Updated: 19 February 2024

In C++, memory management is essential to avoid memory leaks, crashes, and undefinable behavior. In this article, we will learn how to prope ...read more

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How to Dynamically Allocate Memory for an Array of Strings?

Last Updated: 07 February 2024

Dynamic memory and static memory are two types of memory allocation methods in C++ programming. Dynamic memory allows programmers to allocat ...read more

How to Initialize a Dynamic Array in C++?

Last Updated: 31 January 2024

In C++, dynamic arrays allow users to allocate memory dynamically. They are useful when the size of the array is not known at compile time. ...read more

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How to declare a 2D array dynamically in C++ using new operator

Last Updated: 14 September 2022

Prerequisite: Array BasicsIn C/C++, multidimensional arrays in simple words as an array of arrays. Data in multidimensional arrays are store ...read more

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Difference between int* p() and int (*p)()?

Last Updated: 11 December 2020

A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Like any variable or co ...read more

If memory allocation using new is failed in C++ then how it should be handled?

Last Updated: 20 July 2021

In this article, if memory allocation using new is failed in C++ then how it should be handled? When an object of a class is created dynamic ...read more

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What happens if we mix new and free in C++?

Last Updated: 22 October 2020

As we know that new is used to create memory dynamically and it is the programmer's responsibility to delete the memory location explicitly ...read more

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new vs malloc() and free() vs delete in C++

Last Updated: 01 November 2023

We use new and delete operators in C++ to dynamically allocate memory whereas malloc() and free() functions are also used for the same purpo ...read more

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C++ | new and delete | Question 5

Last Updated: 28 June 2021

Is it fine to call delete twice for a pointer?[sourcecode language="CPP"]#includeiostreamusing namespace std;int main(){ int *ptr = new i ...read more

C++ | new and delete | Question 4

Last Updated: 28 June 2021

What happens when delete is used for a NULL pointer?[sourcecode language="C"] int *ptr = NULL; delete ptr; [/sourcecode](A) Compiler Error(B ...read more

C++ | new and delete | Question 3

Last Updated: 28 June 2021

Predict the output?[sourcecode language="CPP"]#include iostreamusing namespace std;class Test { int x; Test() { x = 5;}};int main(){ Tes ...read more

C++ | new and delete | Question 2

Last Updated: 28 June 2021

Which of the following is true about new when compared with malloc.1) new is an operator, malloc is a function2) new calls constructor, mall ...read more

C++ | new and delete | Question 1

Last Updated: 29 July 2020

How to create a dynamic array of pointers (to integers) of size 10 using new in C++? Hint: We can create a non-dynamic array using int *arr ...read more

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