9.4 REFERENCING (&) AND DEREFERENCING (*) OPERATORS
The & and * operators are used for referencing and dereferencing. The & symbol is also used in C++ to define
reference types, and as a bitwise AND operator. We can also use the asterisk as an operator to deference a
pointer and as the multiplication operator.
Referencing Operator (&)
The referencing operator is used to define referencing variable. A reference variable prepares an alternative
(alias) name for previously defined variable. The syntax of the referencing operator is given below.
Syntax:
Data-type & reference variable name = variable ...
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