// Demonstrate reference to undefined String, that is, null String
class DemoNullString
{
  public static void main(String[] args)
  {
    // 10 is the length of the array
    String myTest[] = new String[10];

    myTest[0] = "hello";
    myTest[1] = "world";

    System.out.println(myTest[0] + " " + myTest[9]);
  }
}