(The Rectangle class) Following the example of the Circle class in Section 8.2, design a class named Rectangle to represent a rectangle. The class contains: . Two double data fields named width and height that specify the width and height of the rectangle. The default values are 1 for both width and height. A no-arg constructor that creates a default rectangle . A constructor that creates a rectangle with the specified width and height. a A method named getArea) that returns the area of this rectangle. . A method named getPerimeter) that returns the perimeter. Draw the UML diagram for the class and then implement the class. Write a test program that creates two Rectangle objects-one with width 4 and height 40 and the other with width 3.5 and height 35.9. Display the width, height, area, and perimeter of each rectangle in this order. SAMPLE RUN #0: java Rectangle Standard Output Hide Invisibles The-area-of-a-4.0.x-48.อ-Rectangle-is-168.0 The.perimeter.of a.4.0.x.40.0 Rectangleis 88.0 The area of.a.3.5 x 35.9.Rectangle.is.125.64999999999999 The perimeter.of .a.3.5 x 35.9 Rectangle.is.78.8
(The Rectangle class) Following the example of the Circle class in Section 8.2, design a class named Rectangle to represent a rectangle. The class contains: . Two double data fields named width and height that specify the width and height of the rectangle. The default values are 1 for both width and height. A no-arg constructor that creates a default rectangle . A constructor that creates a rectangle with the specified width and height. a A method named getArea) that returns the area of this rectangle. . A method named getPerimeter) that returns the perimeter. Draw the UML diagram for the class and then implement the class. Write a test program that creates two Rectangle objects-one with width 4 and height 40 and the other with width 3.5 and height 35.9. Display the width, height, area, and perimeter of each rectangle in this order. SAMPLE RUN #0: java Rectangle Standard Output Hide Invisibles The-area-of-a-4.0.x-48.อ-Rectangle-is-168.0 The.perimeter.of a.4.0.x.40.0 Rectangleis 88.0 The area of.a.3.5 x 35.9.Rectangle.is.125.64999999999999 The perimeter.of .a.3.5 x 35.9 Rectangle.is.78.8
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
Related questions
Question
(The Rectangle class)
Following the example of the Circle class in Section 8.2,
design a class named Rectangle to represent a rectangle. The class contains:
■ Two double data fields named width and height that specify the width and
height of the rectangle. The default values are 1 for both width and height.
■ A no-arg constructor that creates a default rectangle.
■ A constructor that creates a rectangle with the specified width and height.
■ A method named getArea() that returns the area of this rectangle.
■ A method named getPerimeter() that returns the perimeter.
Draw the UML diagram for the class and then implement the class. Write a test
program that creates two Rectangle objects—one with width 4 and height 40
and the other with width 3.5 and height 35.9. Display the width, height, area,
and perimeter of each rectangle in this order.
Transcribed Image Text:(The Rectangle class) Following the example of the Circle class in Section 8.2,
design a class named Rectangle to represent a rectangle. The class contains:
. Two double data fields named width and height that specify the width and
height of the rectangle. The default values are 1 for both width and height.
A no-arg constructor that creates a default rectangle
. A constructor that creates a rectangle with the specified width and height.
a A method named getArea) that returns the area of this rectangle.
. A method named getPerimeter) that returns the perimeter.
Draw the UML diagram for the class and then implement the class. Write a test
program that creates two Rectangle objects-one with width 4 and height 40
and the other with width 3.5 and height 35.9. Display the width, height, area,
and perimeter of each rectangle in this order.
SAMPLE RUN #0: java Rectangle
Standard Output
Hide Invisibles
The-area-of-a-4.0.x-48.อ-Rectangle-is-168.0
The.perimeter.of a.4.0.x.40.0 Rectangleis 88.0
The area of.a.3.5 x 35.9.Rectangle.is.125.64999999999999
The perimeter.of .a.3.5 x 35.9 Rectangle.is.78.8
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