Answers for "array to hashset java"

2

convert hashset to array

//	First of all, you shouldn't use raw types.
//	Use :
	Set<Integer> set = new HashSet<>();
	set.add(4);
	set.add(1);
//	Then convert to array :
	Integer[] arr = x.toArray(new Integer[set.size()]);
//	Using x.toArray() would give you an Object[].
Posted by: Guest on June-01-2020
0

convert array list to Hashset

Set<Integer> set = new HashSet<Integer>(arrayList);
Posted by: Guest on March-31-2021

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