Which of the Following Statements About Manipulating Objects in a Map

Multiple Choice

Which of the following statements about manipulating objects in a map is NOT correct?

A) Use the put method to add an element to the map.
B) If you attempt to retrieve a value with a key that is not associated with any value, you will receive a null result.
C) Use the get method to retrieve a value associated with a key in the map.
D) You cannot change the value of an existing association in the map; you must delete it and re-add it with the new values.