//Cone.java

public class Cone {
    private double radius;
    private double height;
    private String id;

    public Cone() {
	radius = 1;
	height = 1;
	id = super.toString();  //"class name @ hashcode"
    }

    public Cone( double r, double h ) {
	radius = r;
	height = h;
	id = super.toString();  
    }

    public Cone(Cone that) {
	radius = that.radius;
	height = that.height;
	id = super.toString();  
    }

    public double getArea() {
	return Math.PI * radius * Math.sqrt(radius * radius + height * height) + 
	    Math.PI * radius * radius;
    }

    public double getVolume() {
	return 1.0/3.0 * Math.PI * radius * radius * height;
    }

    public String toString() {
	return id + " r=" + radius + " h=" + height;
    }


    public boolean equals(Cone that) {
    	if (this.radius==that.radius && this.height==that.height)
    	    return true;
    	else
    	    return false;
    }


    public int areaCompareTo(Cone that) {
    	double thisArea = this.getArea();
    	double thatArea = that.getArea();
    	if (thisArea < thatArea)
    	    return -1;
    	else if (thisArea > thatArea)
    	    return 1;
    	else
    	    return 0;
    }


    public int volumeCompareTo(Cone that) {
    	double thisVolume = this.getVolume();
    	double thatVolume = that.getVolume();
    	if (thisVolume < thatVolume)
    	    return -1;
    	else if (thisVolume > thatVolume)
    	    return 1;
    	else
    	    return 0;
    }
}