The below codes the class shell and instance variables for aBuildingclass with the following attributes:

Instance Variable Description Examples width building width (width>0) 100.5,250.0 height building height (height>0) 360.3,905.0 builderName 3 or more characters "Ellen", "Roberts" floors number of floors (floors>0) 1,2,3,.. costPerMetre the cost of building one 300.0,1500.5 square metre of a floorpublic class Building { private double width=0, height=0, costPerMetre=0; private String builderName=null; private int floors=0; public Building(double width, double height, String builderName) { super ( ) ; this. setWidth (width) ; this. setHeight (height); this. setBuilderName (builderName) ; public double getwidth( ) { return width; public boolean setWidth (double width) { if(width > 0) { this. width = width; return true; return false;public double getHeight( ) { return height; public boolean setHeight(double height) { if(height > 0) { this. height = height; return true; return false; public double getCostPerMetre() { return costPerMetre; public boolean setCostPerMetre (double costPerMetre) { if(costPerMetre > 0) { this. costPerMetre = costPerMetre; return true; return false; public String getBuilderName( ) { return builderName;public boolean setBuilderName(String builderName) { if(builderName . length( ) > 2) { this. builderName = builderName; return true; return false; public int getFloors( ) { return floors; * @param floors - allowed values are from 1 to 150 inclusive * return public boolean setFloors(int floors) { if(floors > 0 && floors