java remove duplicates
import java.util.*; public class RemoveDuplicatesFromArrayList { public static void main(String[] args) { List<Integer> numbers = Arrays.asList(1,2,2,2,3,5); System.out.println(numbers); Set<Integer> hashSet = new LinkedHashSet(numbers); ArrayList<Integer> removedDuplicates = new ArrayList(hashSet); System.out.println(removedDuplicates); } }