Multiple choice technology programming languages

Which is simplest and correct code snippet needs to be put in the main function to replace the value object of the HashMap for the key “orange”?

  1. itemMap.remove("orange"); itemMap.put("orange", new Item("Orange") );

  2. ((Item)itemMap.get(“orange”)).name = “Orange”;

  3. itemMap.put("orange", new Item("Orange") );

  4. None of above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Option B directly mutates the Item object inside the HashMap by accessing it via get() and setting its name field. This changes the value object's content without replacing the reference. Option C creates a new Item but doesn't prevent other references to the old one.

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