import java.util.Arrays;
import java.util.LinkedList;

public class ListsToArrays {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    String[] colors = {"black", "blue", "yellow"};
      LinkedList<String> links = new LinkedList<>(Arrays.asList(colors));

      links.addLast("red"); // add as last item
      links.add("pink"); // add to the end
      links.add(3, "green"); // add at 3rd index
      links.addFirst("cyan"); // add as first item      

      // get LinkedList elements as an array     
      colors = links.toArray(new String[links.size()]);

      System.out.println("colors: ");

      for (String color : colors)
         System.out.println(color);
}

}
Console：
colors:
cyan
black
blue
yellow
green
red
pink