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Tag Archives: cpp-pointer

The Spiral/Clockwise Method is a magic tool for C/C++ programmers to define the meaning of syntax declaration in the head within seconds. This method was… Read More
An array of pointers is an array of pointer variables. It is also known as pointer arrays. We will discuss how to create a 1D… Read More
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… Read More
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… Read More
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,… Read More
Pointers: A pointer is a variable that holds memory address of another variable. A pointer needs to be de referenced with * operator to access… Read More
Prerequisite: Pointer in C and C++, Double Pointer (Pointer to Pointer) in C A pointer is used to point to a memory location of a… Read More
Before moving forward with using const with Reference to a Pointers, let us first see what they are one by one: Pointers are used to… Read More
Pointer: A pointer is a variable which contains the address of another variable, i.e., address of the memory location of the variable. Like any variable… Read More
Pointers in C++: Pointers are a symbolic representation of addresses. They enable programs to simulate call-by-reference as well as to create and manipulate dynamic data… Read More
NULL pointer in C At the very high level, we can think of NULL as a null pointer which is used in C for various… Read More
Pointers store address of variables or a memory location. Syntax: datatype *var_name; Example: pointer “ptr” holds address of an integer variable or holds address of… Read More
Shared Pointers : A std::shared_ptr is a container for raw pointers. It is a reference counting ownership model i.e. it maintains the reference count of its… Read More
Given a string, the task is to reverse this String using pointers. Examples: Input: Geeks Output: skeeG Input: GeeksForGeeks Output: skeeGroFskeeG Approach: This method involves… Read More
Pre-requisite: Pointers in C++ Given a string of lowercase english alphabets. The task is to count number of vowels present in a string using pointers… Read More