public class stringEx
{
  public static void main(String[] args)
  {
    String s = "The quick brown fox jumps over the lazy dog.";
    String q, d, j;

    System.out.println("The length of s is " + s.length());
    System.out.println("s.toUpperCase() is " + s.toUpperCase());
    System.out.println("s.toLowerCase() is " + s.toLowerCase());

    q = s.substring(4, 9);
    d = s.substring(40, 43);
    j = s.substring(20, 25);

    System.out.println(q + " " + d + " " + j + ".");
  }
}