public class Kwadrat extends Figura
{
	private double bok = 0;

	Kwadrat(String kolor, double bok)
	{
		this.kolor = kolor;
		this.bok = bok;
	}

	public String getKsztalt()
	{
		return Kwadrat.class.getName();
	}

	public double getPowierzchnia()
	{
		return Math.pow(this.bok, 2);
	}

	public double getObwod()
	{
		return 4 * this.bok; 
	}
}