1.Please answer these questions in JAVA, Thanks.

2.This question ask USER to give the input, so at least it should be a Scanner here.

3.Please read the question then answer it, Thanks.

4.Questions are in the image.

Exercise 1: The following figure shows a UML diagram that aggregates the RoomCarpet class from the RoomDimension class. RoomCarpet -room: RoomDimension carpetCost: double -totalCost: double + RoomCarpet (RoomDimension r, double cost) + getTotalCost (): double + toString): String + costsMore (RoomCarpet other) boolean RoomDimension length: double - width: double + RoomDimension (double l, double w) + getLength) double + getWidth): double + toString): String