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C++-new and delete

56 posts

delete keyword in C++

Last Updated: 11 January 2025

delete is an operator that is used to destroy array and non-array(pointer) objects which are dynamically created by the new operator.delete can be used by either using the...read more

Dynamic Memory Allocation

C++-new and delete

cpp-memory-management

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 purpose in C and C++. The functional...read more

Difference Between

Dynamic Memory Allocation

C++-new and delete

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 dynamically using new operator, the ob...read more

memory-management

C-Dynamic Memory Allocation

C++-new and delete

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 and it is deleted by using the ...read more

C-Dynamic Memory Allocation

Dynamic Memory Allocation

C++-new and delete

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 stored in tabular form (in row major...read more

Technical Scripter

Technical Scripter 2020

C++-new and delete

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 constant, a pointer must be decla...read more

C++-new and delete

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. In this article, we will look a...read more

Dynamic Memory Allocation

C++-new and delete

C++ Array Programs

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 properly delete a pointer in C++.Del...read more

C++-new and delete

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 allocate memory to data structures at ...read more

memory-management

C++-new and delete

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 for arrays when the size of the a...read more

Dynamic Memory Allocation

C++-new and delete

How to Release Memory in C++?

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. Other programming languages l...read more

memory-management

Dynamic Memory Allocation

C++-new and delete

How to Dynamically Allocate an Array in C++?

Last Updated: 21 May 2024

In C++, dynamic memory allocation allows us to allocate memory during runtime. Dynamic allocation in an array is particularly useful when the size of an array is not known...read more

C++-new and delete

C++ Array Programs