Computer scienceProgramming languagesJavaWorking with dataCollectionsCollections framework

The utility class Collections

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Collections.singleton(...)

Collections.shuffle(...)

Collections.frequency(...)

Collections.swap(...)

Collections.disjoint(...)

returns the number of elements in the collection equal to the given object

creates a set containing only one element

returns true if the two collections have no common elements.

permutes the elements at the specified positions in the list

randomly permutes elements of the list

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