java get first element of set

/**
 * @author lautturi.com
 * Java example:  get first element of set in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		Set<Integer> set = new HashSet<>();
		set.add(1);
		set.add(2);
		set.add(3);
		for (int i = 4; i < 10; i++) {
			set.add(i);
		}

		System.out.println(set.toArray()[0]); //method 1
		System.out.println(set.iterator().next()); // method 2
	}
}