Constants Literals

Lesson 16/120

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Data Structures and Algorithms C++ Fundamentals

Lesson 16/120

Constants & Literals

Constants are values that cannot be modified after initialization. Literals are fixed values written directly in code.

const KEYWORD

const int MAX = 100;
const double PI = 3.14159;

constexpr (C++11)

constexpr int SIZE = 50;
// evaluated at compile time

Literal Types

Integer Literal

420xFF0b1010077

Float Literal

3.142.0f1.5e10

Character Literal

'A''\n''\0'

String Literal

"Hello""C++"

Boolean Literal

truefalse

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Immutable Values