ComputerScienceExpert

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Teaching Since: Apr 2017
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  • MBA IT, Mater in Science and Technology
    Devry
    Jul-1996 - Jul-2000

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    Devry University
    Mar-2010 - Oct-2016

Category > Programming Posted 04 May 2017 My Price 9.00

create a Rectangle data class

For this assignment you are to create a Rectangle data class and an executable program to test it

(  ^^ This means two seperate files!, use the import keyword in the test program to import the Rectangle class ).

Refer to the UML diagram below to create the Rectangle class. See page 462-463 regarding UML diagrams.

Rectangle

__length
__width

__init__(length,width)
set_length(length)
set_width(width)
get_length()
get_width()
area()
perimeter()

 

 

 

 

 

 

 

 

 

 

NOTE: the area() method returns the area and perimeter() returns the perimeter.
In the executable's main function:

  • prompt the user to enter the length and width of a rectangle.
  • create a new Rectangle instance with the dimensions entered by the user.
  • to verify the above step, print both dimensions using their respective "getter" methods.
  • test the area() method by printing the rectangle area accurate to two decimal places.
  • test the perimeter() method by printing the rectangle perimeter accurate to two decimal places.
  • change the length to 22.345 and change the width to 15.789.
  • test the area() and perimeter() methods again. You should get the results shown in the sample output.

SAMPLE OUTPUT
Enter the length 12.45
Enter the width 8.973
Length: 12.45
Width: 8.973
Rectangle area is 111.71
Rectangle perimeter is 42.85
Changed rectangle area is 352.81
Changed rectangle perimeter is 76.27

Answers

ComputerScienceExpert
(11)
Status NEW Posted 04 May 2017 01:05 AM My Price 9.00

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