Convert array to Set in Java

 //from   w w  w .  j  ava 2  s  .  c  o  m
import java.util.Arrays;
import java.util.Set;
import java.util.TreeSet;

public class Main {
  public static void main(String args[]) throws Exception {
    String elements[] = { "A", "C", "D", "G", "F" };
    Set set = new TreeSet(Arrays.asList(elements));

    System.out.println(set);
  }
}