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In this set of fresher-level C++ interview questions, one frequently encountered question is about references. Declaring a variable as a reference provides an alternate name for an existing variable.
A reference variable is created by placing an ‘&’ in the declaration. Essentially, a reference acts as an alias for another variable, allowing access to the associated variable through either its original name or the reference itself.
Syntax:Using references facilitates easier manipulation of variables without copying their values, making them particularly useful in function parameters and return types.
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