Write a program that reads phone directory records from a text file. Each line in the text
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Write a program that reads phone directory records from a text file. Each line in the text file represents a record composed of a first name, a last name, and a phone number separated by spaces. Your program should remove all duplicate records, and output two new text files:
a) A phone directory sorted by phone numbers.
b) A phone directory alphabetically sorted in the format: last name, first name.
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Related Book For
Java How To Program Late Objects Version
ISBN: 9780136123712
8th Edition
Authors: Paul Deitel, Deitel & Associates
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