public class MakePassword
{  public static void main(String[] args)
   {  String firstName = "Harold";
      String middleName = "Joseph";
      String lastName = "Hacker";
      
      // extract initials

      String initials = firstName.substring(0, 1)
         + middleName.substring(0, 1)
         + lastName.substring(0, 1);
         
      // append age         

      int age = 19; // the age of the user
      String password = initials.toLowerCase() + age;
      
      System.out.println("Your password is " + password);
   }
}