Passing value to Functions - C++ Function

C++ examples for Function:Function Parameter

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Description

Passing value to Functions

Demo Code

#include <iostream> 

using namespace std; 

void f(int myparam) 
{ 
    myparam += 10; //  www  . ja v a 2 s . c om
    cout << "Inside the function:" << endl; 
    cout << myparam << endl; 
} 

int main() 
{ 
  int mynumber = 30; 
  cout << "Before the function:" << endl; 
  cout << mynumber << endl; 

  f(mynumber); 
  cout << "After the function:" << endl; 
  cout << mynumber << endl; 

  return 0; 
}

Result


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