Member function displayMessage
(lines 26–32) does not return any data when it completes its task, so its return type is void
. The function does not receive parameters, so its parameter list is empty. Lines 30–31 output a welcome message that includes the value of data member courseName
. Line 30 calls member function getCourseName
to obtain the value of courseName
. Member function displayMessage
could also access data member courseName
directly, just as member functions setCourseName
and getCourseName
do. We explain shortly why it’s preferable from a software engineering perspective to call member function getCourseName
to obtain the value of courseName
.
13.59.165.101