What is ‘Reference Operator’ ?
Decides the normal declaration of variable, C++ allows ‘reference’ to be declared as synonym for variable. A reference to a variable is like can allise, the variable name and the reference name can be used in statement which effect the variable.
Example :- int abc;
Int & ref = abc;
In the above example a variable abc is define subsequently a reference ref is define, which due to initialization addresses in same memory location, which abc occupies. In the definition of ref , the reference operator ‘&’ indicate that ref is not itself and integer but a reference to one.
The two statement :-
abc ++
ref ++ have same effect
No comments :
Post a Comment