Question: Create a class called PhoneEntry that implements the interface defined in the previous exercise. The class should contain instance string objects for name, address, and

Create a class called PhoneEntry that implements the interface defined in the previous exercise. The class should contain instance string objects for name, address, and phone number. The hasKey method should return the name as the key.

Define an interface called Hashable that requires a class to have a method called hashCode that returns an integer.

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