MyProgrammingLab project 71030

/*
 * Lu Liu
 * 02/29/2016
 * CSC-112 Intermediate Java Programming
 * lliu0001@student.stcc.edu
 *
 * MyProgrammingLab project 71030
 * Design a class  named  Triangle that extends GeometricObject;
 * Test Triangle class  in a Drive program;
 */
import java.util.Scanner;

public class TestTriangle {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        // prompt the user to enter three sides
        System.out.println("Enter three sides for the Triangle: ");
        double side1 = input.nextDouble();
        double side2 = input.nextDouble();
        double side3 = input.nextDouble();
        input.nextLine();

        // prompt the user to enter the color
        System.out.println("Enter the color for the Triangle: ");
        String color = input.nextLine();

        // prompt the user to decide if filled
        System.out.println(" Is the Triangle filled? (yes or no) ");
        String str = input.nextLine();
        boolean filled = str.equalsIgnoreCase("yes") ? true : false;

        // create the triangle object and call the metods setFilled and setColor
        Triangle triangle = new Triangle(side1, side2, side3);
        triangle.setFilled(filled);
        triangle.setColor(color);

        // test the methods
        System.out.println("The Triangle Sides are \n side 1: " + triangle.getSide1() + "\n Side 2: "
                + triangle.getSide2() + "\n Side 3: " + triangle.getSide3());
        System.out.println("The Triangle's Area is: " + triangle.getArea());
        System.out.println("The Triangle's Perimeter is: " + triangle.getPerimeter());
        System.out.println("The Triangle's Color is: " + triangle.getColor());
        System.out.println("Is the Triangle filled?  " + triangle.isFilled());

    }
}

// design the class Triangle extends GeometricObject
class Triangle extends GeometricObject {
    private double side1 = 1.0;
    private double side2 = 1.0;
    private double side3 = 1.0;

    public Triangle() {
    }

    public Triangle(double side1, double side2, double side3) {
        this.side1 = side1;
        this.side2 = side2;
        this.side3 = side3;
    }

    public double getSide1() {
        return side1;
    }

    public double getSide2() {
        return side2;
    }

    public double getSide3() {
        return side3;
    }

    public void setSide1(double side1) {
        this.side1 = side1;
    }

    public void setSide2(double side2) {
        this.side2 = side2;
    }

    public void setSide3(double side3) {
        this.side3 = side3;
    }

    public double getArea() {
        double p = getPerimeter() / 2;
        return Math.sqrt(p * ((p - side1) * (p - side2) * (p - side3)));
    }

    public double getPerimeter() {
        return side1 + side2 + side3;
    }

    public String toString() {
        return "Triangle: Side 1 = " + side1 + " Side 2 = " + side2 + " Side 3 = " + side3;
    }
}