Which interface provides the capability to store objects using a key-value pair?

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Which interface provides the capability to store objects using a key-value pair? Answer: Java.util.Map

An object that maps keys to values. A map cannot contain duplicate keys; each key can map to at most one value.

Question context

This question is part of ☕ Java Programming within the broader 💻 Programming subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.