Sort a HashMap in Java

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Sort a HashMap<key, ArrayList>?

I want to sort on the basis of a value in the ArrayList.
Jul 12, 2018 in Java by samarth295
• 2,190 points
56 views

1 answer to this question.

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Convert hashmap to an ArrayList with a pair class

Hashmap<Object,Object> items = new HashMap<>();

to

List<Pair<Object,Object>> items = new ArrayList<>();

So, you can sort it as you want, or list sorted by adding order.

answered Jul 12, 2018 by Daisy
• 8,050 points

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