Function Parameters and Return Values

Function with parameters

The parameters are the input values for the function enclosed in (), provided in the function call as arguments. Multiple parameters are separated by , and each parameter must have a data type. The following function receives two int parameters and displays their sum.

void showSum(int a, int b)
{
 cout << a + b << endl;
}

The following is the function call sending 5 and 10 as arguments:

showSum(5,10);