In C++, pass by reference for an integer parameter can be achieved …
A. by placing an & in front of the value when invoking the function.
B. by placing an & following the data type of a parameter in the function prototype and the
function header.
C. by placing an & before the data type of a parameter in the function prototype and the
function header.
D. by doing nothing special, since pass by reference is the default way to pass integers.
B. by placing an & following the data type of a parameter in the function prototype and the
function header.
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