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Answered: - Design a class named Triangle that extends GeometricObject


Design a class named Triangle that extends GeometricObject. The class contains:

? Three double data fields named side1, side2, and side3 with default values 1.0 to denote three sides of the triangle.

? A no-arg constructor that creates a default triangle.

? A constructor that creates a triangle with the specified side1, side2, and

side3.

? The accessor methods for all three data fields.

? A method named getArea() that returns the area of this triangle.

? A method named getPerimeter() that returns the perimeter of this triangle.

? A method named toString() that returns a string description for the triangle.

?

The formula for computing the area of a triangle is


The toString() method is implemented as follows:

return "Triangle: side1 = " + side1 + " side2 = " + side2 + " side3 = " + side3;

Implement the classes. Write a test program that prompts the user to enter three sides of the triangle, a color, and a Boolean value 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 it is filled or not.?

NOTE: When entering numbers using a scanner, the newline character is left in the stream. So if you try to enter a string after you enter a number, it appears to skip over it because the string gets the newline character.?

You need to consume the newline character after you have entered numbers like this on a line be itself:

input.nextLine();

When entering numbers, the newline character is skipped so you don?t have to get rid of it before you enter the next number.

I am attaching pictures on what the output should look like.?

 


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