Java:
Write a program that uses one of the Map classes to implement acontact list. Contact information should include first name, lastname, a phone number and an email address. The list should bestored on your computer’s file system and entries sortedalphabetically according to a person’s last name. The programshould prompt the user for the name of the file where theinformation is stored, and allow the user to add a contact from thelist, delete a contact from the list, and display the entirecontact list.
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