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2. ArrayList phoneNumbers to store the phone numbers of your friends. Implement the following features: a. Search a number b. Add a new number c.
2. ArrayList<> phoneNumbers to store the phone numbers of your friends. Implement the following features: a. Search a number b. Add a new number c. Delete a phone number d. Print the numbers e. Replace a phone number with a new one. f. Sort the numbers. [Hint: use Integer or String to store the phone]
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