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Interviews C Plus Plus Language Interviews:C++ Access ControlC++ COM ActiveXC++ ConstructorsC++ ContainersC++ Exception HandlingC++ FriendC++ InheritanceC++ Inline FunctionC++ New And DeleteC++ Operator OverloadingC++ Pointers & FunctionsC++ ProgrammerC++ ReferencesC++ Static DataC++ SyntaxC++ TemplateC++ Type CheckingC++ Virtual Functions
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C++ References Interview Question:
What is the difference between pointer and reference?
Submitted by: AdministratorWhen a reference is created, it can't reference another object. This can be done with pointers. References cannot be null whereas pointers can be. References cannot be uninitialized and it is not possible to refer directly to a reference object after it is defined.
Example:
Syntax of reference:
<Type> & <Name>
int& rA = A; rA is a reference to int.
Submitted by: Administrator
Example:
Syntax of reference:
<Type> & <Name>
int& rA = A; rA is a reference to int.
Submitted by: Administrator
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