Web Reference: The Map.entrySet method returns a collection-view of the map, whose elements are of this class. The only way to obtain a reference to a map entry is from the iterator of this collection-view. Jan 22, 2026 · The Map.Entry interface in Java provides methods to access and manipulate individual key-value pairs stored in a Map. By using this interface, we can efficiently traverse, read, and update map entries. We often use maps to store a collection of key-value pairs. Then, at some point, we often need to iterate over them. In this tutorial, we’ll compare different methods of map iteration, highlighting when it may be beneficial to use Map.Entry. Then, we’ll learn how Map.Entrycan be used to create a tuple. Finally, we’ll create an ordered list of tuple...
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