Mastering Java: The Ultimate 2026 All-In-One Quiz to Excel in 'Thinking in Java

Question: 1 / 510

Which operation is NOT directly supported by the Map interface?

Retrieving a value based on key

Retrieving an ordered list of keys

The map interface does not directly support retrieving an ordered list of keys, as it is a data structure that stores elements in a key-value pair format. The other options (A, C, D) are all directly supported by the map interface. Option A allows you to retrieve a value based on a given key, option C allows you to add a new key-value pair to the map, and option D allows you to remove an existing key-value pair from the map.

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Adding a key-value pair

Removing a key-value pair

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