import java.util.*;
public class testTriangle {
public static void main (String [] args) {
	Scanner stdin = new Scanner (System.in);

	// Ask how does extend affect the class and if it is suppose to be
	// 	Triangle GO = new GeometricObject(color,filled);
	// because Triangle GO = new Triangle(color,filled); has same output

	double s1, s2, s3;
	String color;
	boolean filled = true;

	System.out.print("Enter side1, side2 and side3 of the triangle: ");
	s1 = stdin.nextDouble();
	s2 = stdin.nextDouble();
	s3 = stdin.nextDouble();

	System.out.print("Enter the color of the triangle: ");
	color = stdin.next();

	System.out.print("Enter whether if the triangle is filled: ");
	filled = stdin.nextBoolean();

	Triangle t = new Triangle(s1, s2, s3);
	Triangle GO = new GeometricObject(color,filled);

	System.out.println("Area: " +t.getArea());
	System.out.println("Perimeter: " +t.getPerimeter());
	System.out.println(GO.toString());
}
}

public class Triangle {
	private double side1;
	private double side2;
	private double side3;

public Triangle () {
	side1 = 1.0;
	side2 = 1.0;
	side3 = 1.0;
}

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 double getArea() {
	double s, area;
	s = (this.side1 + this.side2 + this.side3)/2.0;
	area = Math.sqrt(s*(s-this.side1)*(s-this.side2)*(s-this.side3));
	return area;
}

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

public String toStringf() {
	return ("Triangle: side1 = " +this.side1+ " side2 = " +this.side2+ " side3 = " +this.side3);
}
}

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

  public GeometricObject() {
    dateCreated = new java.util.Date();
  }

  public GeometricObject(String color, boolean filled) {
    dateCreated = new java.util.Date();
    this.color = color;
    this.filled = filled;
  }

  public String getColor() {
	  return color;
	  }

  public void setColor(String color) {
	  this.color = color;
	  }

  public boolean isFilled() {
	  return filled;
	  }

  public void setFilled(boolean filled) {
	  this.filled = filled;
	  }

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

  public String toString() {
    return "created on " + dateCreated + "\ncolor: " + color +
      " and filled: " + filled;
  }

  public static void main(String[] args) {
	  GeometricObject go = new GeometricObject();
	  System.out.println(go);
  }
}