code: public static String words(int min, int max) {
          StringBuilder result = new StringBuilder();
          
          int count = RandomInteger.nextInteger(min, max);        
          for(int i = 0; i <count; i++)
              result.append(RandomString.pick(_allWords));
  
          return result.toString();
      }
docs: Generates a random text that consists of random number of random words separated by spaces.
  
  @param min   (optional) a minimum number of words.
  @param max   a maximum number of words.
  @return     a random text.