code: public int number(int min, int max) {
  		if (min > max)
  			throw new IllegalArgumentException();
  		int value = rng.nextInt(max - min + 1);
  		value += min;
  		return value;
  	}
docs: Return an integer in the (inclusive) range [min, max].
  
  @param min
  @param max
  @return