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C++ global scope

VARAK-VURAK answered on January 23, 2021 Popularity 8/10 Helpfulness 1/10

answer C++ global scope

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C++ global scope

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#include <iostream>
#include <ostream>
int x = 42;
int main( )
{
 double x = 3.1415; // Hides the global x
 std::cout << x << '\n'; // Prints 3.1415
 std::cout << ::x << '\n'; // Prints 42
}

Popularity 8/10 Helpfulness 1/10 Language cpp

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Contributed on Sep 22 2022

VARAK-VURAK

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c++ global variable

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// a.cpp
int x = 5;

// b.cpp
extern int x; // allows b.cpp to access 'x' from a.cpp

Popularity 10/10 Helpfulness 3/10 Language cpp

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Tags: c++

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Contributed on Jan 23 2021

just-saved-you-a-stackoverflow-visit

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c++ global variable

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#include <iostream>

// Global Variable
int globalVariable = 10;

void someFunction() {
    // Accessing globalVariable
    std::cout << "Value of globalVariable: " << globalVariable << std::endl;
}

int main() {
    // Modifying globalVariable
    globalVariable = 20;

    // Calling someFunction
    someFunction();

    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language cpp

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Contributed on Sep 12 2023

YOU.com

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C++ global scope

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