(Reading Phone Numbers with and Overloaded Stream Extraction Operator) In Fig. 18.5,the stream extraction and stream insertion operators were overloaded for input and output of objectsof the PhoneNumber class. Rewrite the stream extraction operator to perform the following errorchecking on input. The operator>> function will need to be reimplemented.a) Input the entire phone number into an array. Test that the proper number of charactershas been entered. There should be a total of 14 characters read for a phone number ofthe form (800) 555-1212. Use ios_base-member-function clear to set failbit for improper input.

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(Reading Phone Numbers with and Overloaded Stream Extraction Operator) In Fig. 18.5,
the stream extraction and stream insertion operators were overloaded for input and output of objects
of the PhoneNumber class. Rewrite the stream extraction operator to perform the following error
checking on input. The operator>> function will need to be reimplemented.
a) Input the entire phone number into an array. Test that the proper number of characters
has been entered. There should be a total of 14 characters read for a phone number of
the form (800) 555-1212. Use ios_base-member-function clear to set failbit for improper input.

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