Java Stream create from Set

import java.util.HashSet;
import java.util.Set;
import java.util.stream.Stream;

public class Main {
  public static void main(String[] args) {
    Set<String> names = new HashSet<>(); 
    names.add("XML");
    names.add("Java");
    names.add("SQL");
    names.add("Javascript");
    names.add("CSS");
    names.add("HTML");

    Stream<String> sequentialStream  = names.stream();
    sequentialStream.forEach(System.out::println);

    Stream<String> parallelStream = names.parallelStream();
    parallelStream.forEach(System.out::println);
  }/*w ww  .  j  a  v  a2  s. c o  m*/
}