code: public DoubleStream doubles() {
          return StreamSupport.doubleStream
              (new RandomDoublesSpliterator
               (0L, Long.MAX_VALUE, Double.MAX_VALUE, 0.0),
               false);
      }
docs: Returns an effectively unlimited stream of pseudorandom {@code
  double} values, each between zero (inclusive) and one
  (exclusive).
  
  @implNote This method is implemented to be equivalent to {@code
  doubles(Long.MAX_VALUE)}.
  
  @return a stream of pseudorandom {@code double} values
  @since 1.8