The V parameter in a HashMap may be any object,but the K parameter must be a String.

Name: The V parameter in a HashMap may be any object,but the K parameter must be a String.
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Question

The V parameter in a HashMap< K,V > may be any object,but the K parameter must be a String.

Quizplus · Accepted Answer

In a HashMap<K,V>, both the key (K) and value (V) can be objects of any type, not just String for the key. The key must be unique and can be an instance of any class that overrides equals() and hashCode() methods appropriately.

The V Parameter in a HashMap< K,V > May Be