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Editorial Team
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Asked: 2026-06-10T05:27:56+00:00

If your look at collection framework you will see the following, but Map is

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If your look at collection framework you will see the following, but Map is not in the list of interfaces. While we talk about map we say it is a part of collection framework, so if Map is a part of collection framework then why it is not in the interfaces list.

 java.util
Interface Collection

All Known Subinterfaces:
    BeanContext, BeanContextServices, List, Set, SortedSet

All Known Implementing Classes:
    AbstractCollection, AbstractList, AbstractSet, ArrayList, BeanContextServicesSupport, BeanContextSupport, HashSet, LinkedHashSet, LinkedList, TreeSet, Vector
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1 Answer

  1. Editorial Team

    Maps work with key/value pairs, while the other collections work with just values. Map maps keys to values. It allows its content to be viewed as a set of keys, a collection of values and a set of key-value mappings.

    Check this following link. Answer by oracle.
    https://docs.oracle.com/javase/tutorial/collections/

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