ThreeDimensionalShape. The classes Circle, Square, and Triangle should inherit from TwoDimensionalShape, while Sphere, Cube, and Tetrahedron should inherit from ThreeDimensionalShape. Each TwoDimensionalShape should have the methods getArea() and getPerimeter(), which calculate the area and perimeter of the shape, respectively. Every Three DimensionalShape should have the methods getArea() and getVolume(), which respectively calculate the surface area and volume of the shape. Every class should have a member variable containing its dimensions --for example, the Circle class should have a member variable describing its radius, while the Triangle class should have three member variables describing the length of each side. Note that the Tetrahedron cass should describe a regular tetrahedron, and as such, should only have one member variable. Create a Driver class with a main method to test your Shape hierarchy. The program should prompt the user to enter the type of shape they'd like to create, and then the shape's dimensions. If the shape is two dimensional, the program should print its area and its perimeter, and if it's a three dimensional shape, its surface area and volume. +SAMPLE RUN #1: java Driver → Interactive Session Enter 1) Two dimensional shape 2) Three dimensional shape: 14 Enter 1) Circle 2) Square 3) Triangle: 14 Hide Invisibles Enter radius of circle: 1.56 Area: 7.65. Perimeter: 9.80 Highlight: None Show Highlighted Only O

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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Question

Please write in Java and use Math.PI for pi.

I wrote the print statements, I need them where they belong:

System.out.print("Enter\n1)Two dimensional shape\n2)Three dimensional shape:");
System.out.print("Enter\n1)Circle\n2)Square\n3)Triangle:");
System.out.print("Enter radius of circle:");
System.out.print("Enter side of square:");
System.out.print("Enter side of triangle:");
System.out.printf("Area: %.2f \nPerimeter: %.2f", shape.getArea(), shape.getPerimeter());
System.out.print("Enter\n1)Sphere\n2)Cube\n3)Tetrahedron:");
System.out.print("Enter radius of sphere:");
System.out.print("Enter side of cube:");
System.out.print("Enter side of tetrahedron:");
System.out.printf("Surface area: %.2f \nVolume: %.2f", shape.getArea(), shape.getVolume());

The screenshot explains the question.

Implement the Shape hierarchy create an abstract class called Shape, which will be the parent class to TwoDimensionalShape and
Three DimensionalShape. The classes Circle, Square, and Triangle should inherit from TwoDimensionalShape, while Sphere, Cube, and Tetrahedron
should inherit from ThreeDimensionalShape.
--
Each TwoDimensionalShape should have the methods getArea() and getPerimeter(), which calculate the area and perimeter of the shape,
respectively. Every Three DimensionalShape should have the methods getArea() and getVolume(), which respectively calculate the surface area
and volume of the shape. Every class should have a member variable containing its dimensions for example, the Circle class should have a
member variable describing its radius, while the Triangle class should have three member variables describing the length of each side. Note that
the Tetrahedron cass should describe a regular tetrahedron, and as such, should only have one member variable.
Interactive Session
Create a Driver class with a main method to test your Shape hierarchy. The program should prompt the user to enter the type of shape they'd like
to create, and then the shape's dimensions. If the shape is two dimensional, the program should print its area and its perimeter, and if it's a three
dimensional shape, its surface area and volume.
SAMPLE RUN #1: java Driver
Hide Invisibles
Enter
1) Two dimensional.shape<
2) Three dimensional shape:14
Enter<
1) Circle<
2) Square
3) Triangle: 1ª
Enter radius of circle:1.56<
Area: 7.65.4
Perimeter:.9.804
--
Highlight: None
ooo
Show Highlighted Only

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