The Triangle Class

The code has been modified slightly and now uploaded to the site.

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Main.java

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner input = new Scanner(System.in);
        System.out.print("Enter lengths of three sides, color, and whether or not it is filled (true for filled/false for not): ");
        double side1 = input.nextDouble();
        double side2 = input.nextDouble();
        double side3 = input.nextDouble();
        String color = input.next();
        boolean isFilled = input.nextBoolean();
        Triangle triangle = new Triangle(side1, side2, side3, color, isFilled);
        System.out.println(triangle);
    }
}

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Triangle.java

public class Triangle extends GeometricObject{
    private double side1;
    private double side2;
    private double side3;
    private double area;
    private double perimeter;
    private double theSide;
    public Triangle(){
        super("white", false);
        side1 = 1.0;
        side2 = 1.0;
        side3 = 1.0;
        getArea();
        getPerimeter();
    }

    public Triangle(double side1, double side2, double side3, String color, boolean filled){
        super(color, filled);
        this.side1 = side1;
        this.side2 = side2;
        this.side3 = side3;
        getArea();
        getPerimeter();
    }

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

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

    @Override
    public String toString(){
        return super.toString() + "\nTriangle: side1 = " + side1 + " side2 = " + side2 + " side3 = " + side3 + "\nArea: " + area + " Perimeter: " + perimeter;
    }
}

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GeometricObject.java

public class GeometricObject {
    private String color = "white";
    private boolean filled;
    private java.util.Date dateCreated;

    /** Construct a default geometric object */
    public GeometricObject(){
        dateCreated = new java.util.Date();
    }

    /** Construct a geometric object with the specified color
     * and filled value */
    public GeometricObject(String color, boolean filled){
        dateCreated = new java.util.Date();
        this.color = color;
        this.filled = filled;
    }

    /** Return color */
    public String getColor(){
        return color;
    }

    /** Set a new color */
    public void setColor(String color){
        this.color = color;
    }

    /** Return filled. Since filled is boolean, its getter method is named isFilled */
    public boolean isFilled(){
        return filled;
    }

    /** Set a new filled */
    public void setFilled(boolean filled){
        this.filled = filled;
    }

    /** Get dateCreated */
    public java.util.Date getDateCreated(){
        return dateCreated;
    }

    /** Return a string representation of this object */
    public String toString(){
        return "created on " + dateCreated + "\ncolor: " + color + " and filled: " + filled;
    }
}

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