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The Standard String Class, Storage classes and namespaces, Functions,…
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References and Pointers
Reference
A reference is another name, or alias, for an object that already exists. Defining a reference does not occupy additional memory. Any operations defined for the reference are performed with the object to which it refers. References are particularly useful as parameters and return values of functions.
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Pointers
A pointer is an expression that represents both the address and type of another object.
Using the address operator, &, for a given object creates a pointer to that object.