Ari Mermelstein Your Cocidad y from the collectie hierarchy underlying structure. Your Contactlist must implement the heable-timere The Contacted in your moyed the word in winter by compare of the Coast Your Control forming functionality A construct that createst compty Contact Acest that was an ey of Contacts in order to main the Citie C.Cat HINTY came the Amy.) method described in cho Ambeduecher for a particular contact by Rostam, und der to the Contact there is och Contacte vale delle Corsholdere Since the sider, the bebis such of the list. Contact fodydameString lasts . Anche ha anchefortly before Contact Mech Contact sense Contactfied NumberString phone A melhor searches for andreture Centres conting Contact with Beating with puritare dhe ne te they Centele finally rental church A method to watches for editum atting all the in a paniculacity. In an ao sich Contacts, you already Cetat final String city should Contact to the list if it is there already died by 2 of 3 A method that searches for and returns Contactlist containing all Contacts with a last name starting with a particular letter. If there are no such Contacts, you should return the empty ContactList. ContactList findAllBy LastInitial church A method that searches for and returns a Contactlist containing all Contacts that live in a particular city, If there are no such Contacts, you should retum the compty Contacts ContactList findAllByCity/String cityk A method that allows you to add a Contact to the Contactlist in serted order. You should only add a Contact to the list if it is not there already. Use a modified hinary search to determine this. The method retums true if the add is succesful and false if it is unsuccessful boolean add(Contacte A method that returns the size of the Contacts int size) A method that allows you to remove and return a Contact from the Contactlise Contact remove(Object obj} A method that allows the client to get a Contact from the ContactList by index An IndexOutOfBoundsException should be thrown if that inder doesn't exist Contact get(int index) An overridden equli) method. Let's define ane Contact.is being equal to another if they contain the same Contacts in the same order boolean equalsObject obj); An overridden toString() method that creates a representation for a Contactlist String toString): An iterator) method that allows you to iterate through a ContactLis. (You can implement your own or use the ArrayList's own iterator) Iterator Contacter You must also write a test program for the ContactList class