Examine the driver program below. class Test2A { public static void main ( Strin

Question

Examine the driver program below.

class Test2A

{ public static void main ( String [] args )

{ Desk d = new Desk (60, 45, "UCT");

System.out.println ("Surface area is: "+d.getSurfaceArea ());

System.out.println ("Desk owner is: "+d.getOwner ()); } }

Write the Desk class, containing:

• a constructor that takes width,depth and owner as parameters;

• getSurfaceArea that returns the area of the desk;

• getOwner that returns the owner; and

• appropriate instance variables.

Sample Output:

Surface area is: 2700

Desk owner is: UCT

Explanation / Answer

PROGRAM FOR DESK CLASS:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
public class Desk
{
int deskLength;
int deskWidth;
string deskWood;
int deskDrawers;
int mahogcost = 160;
int oakCost = 110;
int surfaceCharge;
int drawerCost;
double taxAmt = 0.09;
int totalCost;
public int DrawerCost
{
get{return drawerCost;}
set{drawerCost = value;}
}
public int DeskLength
{
get { return deskLength; }
set { deskLength = value;CalculateAreacost(); }
}
public int DeskWidth
{
get { return deskWidth; }
set { deskWidth = value;CalculateAreacost(); }
}
public string DeskWood
{
get { return deskWood; }
set { deskWood = value; }
}
public int DeskDrawers
{
get { return deskDrawers; }
set { deskDrawers = value;CalculateDrawer(); }
}
public int SurfaceCharge
{
get { return surfaceCharge; }
set { surfaceCharge = value; }
}
public void CalculateDrawer()
{
drawerCost = 30 * DeskDrawers;
}
public void CalculateAreacost()
{
if (DeskLength * DeskWidth > 720) surfaceCharge = 50;
else surfaceCharge = 0;
}
}
}

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