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C++-const keyword

11 posts

Type Qualifiers in C++

Last Updated: 07 June 2024

In C++, type qualifiers are keywords that modify the properties of data types, influencing how variables, pointers, or references can be used. These qualifiers enhance var...read more

C++-const keyword

How to use const with Pointers in C++?

Last Updated: 16 May 2024

In C++, the const keyword is used as a type qualifier for defining read-only (immutable) objects that cannot be modified anywhere in their lifetime. It can be used in seve...read more

C++-const keyword

Const keyword in C++

Last Updated: 06 August 2024

In this article, the various functions of the const keyword which is found in C++ are discussed. Whenever const keyword is attached with any method(), variable, pointer va...read more

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Technical Scripter

C++-const keyword

Const vs Regular iterators in C++ with examples

Last Updated: 18 August 2020

Prerequisite: Iterators in STLIterators are objects similar to pointers which are used to iterate over a sequence and manipulate the container elements. The advantage of u...read more

C++-const keyword

Difference Between

Different ways to use Const with Reference to a Pointer in C++

Last Updated: 04 April 2020

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 store the address of variables or a...read more

C++-const keyword

Advanced Pointer

How to modify a const variable in C?

Last Updated: 30 July 2024

Whenever we use const qualifier with variable name, it becomes a read-only variable and get stored in .rodata segment. Any attempt to modify this read-only variable will t...read more

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C++-const keyword

C++ | const keyword | Question 5

Last Updated: 28 June 2021

Output of C++ program?[sourcecode language="C"]#include iostreamint const s=9;int main(){ std::cout s; return 0;}[/sourcecode]Contributed by Pravasi Meet(A) 9(B) Co...read more

C++-const keyword

C++ | const keyword | Question 5

Last Updated: 28 June 2021

[sourcecode language="C"]#include stdio.hint main(){ const int x; x = 10; printf(%d, x); return 0;}[/sourcecode](A) Compiler Error(B) 10(C) 0(D) Runtime Error Answ...read more

C++-const keyword

C++ | const keyword | Question 3

Last Updated: 28 June 2021

Predict the output of following program.[sourcecode language="C"]#include iostreamusing namespace std;class Point{ int x, y;public: Point(int i = 0, int j =0) { x = i...read more

C++-const keyword

C++ | const keyword | Question 2

Last Updated: 28 June 2021

In C++, const qualifier can be applied to1) Member functions of a class2) Function arguments3) To a class data member which is declared as static4) Reference variables(A) ...read more

C++-const keyword

C++ | const keyword | Question 1

Last Updated: 28 June 2021

Predict the output of following program[sourcecode language="CPP"]#include iostreamusing namespace std;int main(){ const char* p = 12345; const char **q = p; *q =...read more

C++-const keyword