1 using static System.Console; 2 class ShapesDemo 3 { static void Main() { // Your code here } 8 } Create a Rectangle is a GeometricFigure 4 whose area is determined by multiplying width by height. 7 Create a Square is a Rectangle in which the width and height are the same. Provide a constructor that accepts both height and width, forcing them to be equal if they are not. Provide a second constructor that accepts just one dimension and uses it for both height and width. The Square class uses the Rectangle 's ComputeArea() method. Create a Triangle is a GeometricFigure whose area is determined by multiplying the width by half the height. In the ShapesDemo class, after each object is created, pass it to a method that accepts a GeometricFigure argument in which the figure's data is displayed. Change some dimensions of some of the figures, and pass each to the display bod ognin

1 using static System.Console; 2 class ShapesDemo 3 { static void Main() { // Your code here } 8 } Create a Rectangle is a GeometricFigure 4 whose area is determined by multiplying width by height. 7 Create a Square is a Rectangle in which the width and height are the same. Provide a constructor that accepts both height and width, forcing them to be equal if they are not. Provide a second constructor that accepts just one dimension and uses it for both height and width. The Square class uses the Rectangle 's ComputeArea() method. Create a Triangle is a GeometricFigure whose area is determined by multiplying the width by half the height. In the ShapesDemo class, after each object is created, pass it to a method that accepts a GeometricFigure argument in which the figure's data is displayed. Change some dimensions of some of the figures, and pass each to the display bod ognin

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Step 2
ShapesDemo.cs
1 using static System.Console;
2 class ShapesDemo
3 {
static void Main()
Create a Rectangle is a
GeometricFigure
4
whose area is
{
// Your code here
}
8 }
determined by multiplying
width by height.
7
Create a Square is a
Rectangle in which the
width and height are
the same. Provide a
constructor that accepts
both height and
width, forcing them to
be equal if they are not.
Provide a second
constructor that accepts
just one dimension and
uses it for both height
and width. The Square
class uses the
Rectangle 's
ComputeArea() method.
Create a Triangle is a
GeometricFigure
whose area is determined
by multiplying the width
by half the height.
In the ShapesDemo
class , after each object
is created, pass it to a
method that accepts a
GeometricFigure
argument in which the
figure's data is displayed.
Change some dimensions
of some of the figures, and
pass each to the display
method again.

1 using static System.Console;
2 class ShapesDemo
3 {
static void Main()
{
// Your code here
}
8 }
Create an application
named ShapesDemo that
4
creates several objects
5
that descend from an
abstract class called
7
GeometricFigure . Each
GeometricFigure
includes a height .a
width, and an area.
Provide get and set
accessors for each field
except area ; the area
is computed and is read-
only. Include an abstract
method called
ComputeArea() that
computes the area of the
GeometricFigure.
Next you will create three
additional classes derived
from the
GeometricFigure class.
Name these derived
classes: Rectange .
Square , and Triangle.

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1 using static System.Console; 2 class ShapesDemo 3 { static void Main() { abstract class GeometricFigure Create an application named ShapesDemo that 4 creates several objects 5 that descend from an abstract class called 7 { GeometricFigure . Each 8 public int Height { 10 11 9 GeometricFigure get includes a height , a { 12 13 width , and an area. return height; } 14 15 Provide get and set set { 16 17 accessors for each field height = value; except area ; the area } 18 is computed and is read- } only. Include an abstract 19 public int Width 20 { 21 22 method called get ComputeArea() that { computes the area of the 23 24 return width; GeometricFigure . 25 26 27 28 29 set Next you will create three { width = value; additional classes derived from the } 30 } 31 GeometricFigure class. Name these derived classes: Rectange , 32 public int Area 33 { 34 Square , and Triangle. get 35 { 36 37 return area; } 38 } 39 40 private void CalArea() 41 { 42 43 } 44 area = Height * Width; 45 } 46
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