1. Pass by reference for USING parameters For the formal parameters p1 p2 …, no local data object is created in the subroutine. Instead, when it is called, a reference is passed to the specified actual parameter. A change to the formal parameter in the subroutine also changes the value of the actual parameter. – Local Data Object Value가 바뀌면 Actual Parameter Value도 바뀜. 2. […]
