Difference

sanketbarot

New Member

Join Date: Sep 2006

Posts: 30
#1

Difference

Sep 27 '06, 09:52 AM

Hi,

What is the difference between Call by reference usin Reference varibal and Call by reference using pointers.
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Banfa

Recognized Expert Expert

Join Date: Feb 2006

Posts: 9067
#2

Sep 27 '06, 10:07 AM

When you use a reference you always have to pass an actual object to the function. With pointers you do not have to pass a value that actually points to an object (i.e. you can pass NULL)
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