In-class Assignment Day 8 You should draw the hierarchy for your classes to understand how the coding should be structured. Be sure to notate any classes that are abstract. Write an abstract class for Shape. The intended subclasses are Polygon, Circle, Triangle, and Rectangle. All of these will have a name, an area, and a perimeter.(Consider which methods might be abstract.) Add a toString method that will return the information about the Shape, for example: Triangle, Area: 7.5, Perimeter: 12.0 Write the class Rectangle. A Rectangle is a Shape and should have a width and a height.When a Rectangle is outputted, it should read: Rectangle, Length: #, Width: #, Area: #, Perimeter: # Write the class for Circle. Every circle is a Shape that has a radius. Be sure to provide an accessor method (getter) for the radius.When a circle is outputted, it should read: Circle, Radius: #, Area: #, Circumference: # Write a TestShape class that has the main method, which creates Rectangle and Circle objects. Print out the specific attributes about the shape.

Programming instructions: Create an abstract class shape. Declare the required variables in it. Use…

Answered: You should draw the hierarchy for your…

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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In-class Assignment Day 8

You should draw the hierarchy for your classes to understand how the coding should be structured. Be sure to notate any classes that are abstract.

Write an abstract class for Shape. The intended subclasses are Polygon, Circle, Triangle, and Rectangle. All of these will have a name, an area, and a perimeter.

(Consider which methods might be abstract.) Add a toString method that will return the information about the Shape, for example: Triangle, Area: 7.5, Perimeter: 12.0

Write the class Rectangle. A Rectangle is a Shape and should have a width and a height.

When a Rectangle is outputted, it should read: Rectangle, Length: #, Width: #, Area: #, Perimeter: #

Write the class for Circle. Every circle is a Shape that has a radius. Be sure to provide an accessor method (getter) for the radius.

When a circle is outputted, it should read: Circle, Radius: #, Area: #, Circumference: #

Write a TestShape class that has the main method, which creates Rectangle and Circle objects. Print out the specific attributes about the shape.

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