C++ Beginners Tutorial 22 - Pass by Reference / Value in C++ 









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#include <iostream>
using namespace std;

void passByValue(int val)
{
    val=100;
}
void passByReference(int *val)
{
    *val=100;
}
int main()
{
    int x=20;
    int y=20;

    passByValue(x);
    cout<<x<<endl;

    passByReference(&y);
    cout<<y<<endl;
    return 0;
}














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