Remove Duplicates from Array in Java

import java.util.HashSet;

public class RemoveDuplicates {
    public static void main(String[] args) {
        int[] arr = {10, 20, 20, 30, 30, 40, 50, 50};
        
        HashSet<Integer> set = new HashSet<>();
        
        for (int i = 0; i < arr.length; i++) {
            set.add(arr[i]);
        }
        
        System.out.println("Unique elements: " + set);
    }
}