15.1 (The Triangle class) Design a class named Triangle that extends GeometricObject. The class contains the following: ▪ Three double data fields named sidel, side2, and side3 to denote three sides of the triangle. ▪ A no-arg constructor that creates a default triangle with each side 1.0. ▪ A constructor that creates a triangle with the specified sidel, side2, and side3. . The constant accessor functions for all three data fields. ▪ A constant function named getArea () that returns the area of this triangle. • A constant function named getPerimeter () that returns the perimeter of this triangle. Draw the UML diagram that involves the classes Triangle and GeometricObject. Implement the class. Write a test program that prompts the user to enter three sides of the triangle, enter a color, and enter 1 or 0 to indicate whether the triangle is filled. The program should create a Triangle object with these sides and set the color and filled properties using the input. The program should display the area, perimeter, color, and true or false to indicate whether filled or not.
15.1 (The Triangle class) Design a class named Triangle that extends GeometricObject. The class contains the following: ▪ Three double data fields named sidel, side2, and side3 to denote three sides of the triangle. ▪ A no-arg constructor that creates a default triangle with each side 1.0. ▪ A constructor that creates a triangle with the specified sidel, side2, and side3. . The constant accessor functions for all three data fields. ▪ A constant function named getArea () that returns the area of this triangle. • A constant function named getPerimeter () that returns the perimeter of this triangle. Draw the UML diagram that involves the classes Triangle and GeometricObject. Implement the class. Write a test program that prompts the user to enter three sides of the triangle, enter a color, and enter 1 or 0 to indicate whether the triangle is filled. The program should create a Triangle object with these sides and set the color and filled properties using the input. The program should display the area, perimeter, color, and true or false to indicate whether filled or not.
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
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Transcribed Image Text:Program 20- Inheritance
15.1 (The Triangle class) Design a class named Triangle that extends GeometricObject.
The class contains the following:
▪ Three double data fields named sidel, side2, and side3 to denote three sides of the
triangle.
▪ A no-arg constructor that creates a default triangle with each side 1.0.
▪ A constructor that creates a triangle with the specified sidel, side2, and side3.
The constant accessor functions for all three data fields.
▪ A constant function named getArea () that returns the area of this triangle.
▪ A constant function named getPerimeter () that returns the perimeter of this triangle.
Draw the UML diagram that involves the classes Triangle and GeometricObject. Implement
the class. Write a test program that prompts the user to enter three sides of the triangle, enter a
color, and enter 1 or 0 to indicate whether the triangle is filled. The program should create a
Triangle object with these sides and set the color and filled properties using the input. The
program should display the area, perimeter, color, and true or false to indicate whether filled or
not.
0
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