convert hashset to int array java
import java.util.Arrays; import java.util.Set; import java.util.HashSet; class Main { // Program to convert set of integer to array of int in Java public static void main(String args[]) { Set<Integer> ints = new HashSet<>(Arrays.asList(1, 2, 3, 4, 5)); int[] primitive = ints.stream() .mapToInt(Integer::intValue) .toArray(); System.out.println(Arrays.toString(primitive)); } }
