Is there a SortedList in Java?

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In Java there are the SortedSet and SortedMap interfaces, but no SortedList interface.

Jul 4, 2018 in Java by sharth
• 3,320 points
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2 answers to this question.

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You can try using indexed-tree-map . It is an enhanced JDK's TreeSet that provides access to element by index and finding the index of an element without iteration or hidden underlying lists that back up the tree. The algorithm is based on updating weights of changing nodes every time there is a change.

answered Jul 4, 2018 by Akrati
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Since all lists are already "sorted" by the order the items were added (FIFO ordering), you can "resort" them with another order, including the natural ordering of elements, using java.util.Collections.sort().

EDIT:

Lists as data structures are based in what is interesting is the ordering in which the items where inserted.

Sets do not have that information.

If you want to order by adding time, use List. If you want to order by other criteria, use SortedSet.
answered Nov 2, 2018 by Sushmita
• 6,840 points

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