The ELSE part of the IF/THEN/ELSE instruction:
a. Is optional.
b. Contains the false instruction.
c. Must be used in nested IF/THEN/ELSE instructions.
d. All of the above.
e. b and c.
d. All of the above.
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Suppose you have a programmer-defined data type Data and want to overload the << operator to output your data type to the screen in the form cout << dataToPrint; and allow cascaded function calls. The first line of the function definition would be:
a. ostream &operator<<( ostream &output, const Data &dataToPrint ) b. ostream operator<<( ostream &output, const Data &dataToPrint ) c. ostream &operator<<( const Data &dataToPrint, ostream &output ) d. ostream operator<<( const Data &dataToPrint, ostream &output )