Hierarchy For Package test3

Class Hierarchy

• java.lang.Object
  • test3.Contact (implements java.lang.Comparable<T>)
  • test3.ContactSet
  • test3.PhoneNumber (implements java.lang.Comparable<T>)
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • java.lang.RuntimeException
        • test3.ContactDoesNotExistException
        • test3.DuplicateContactException