// class Circle

class Circle {

private double radius;

private String color;

public Circle() {

radius = 0;

color = "White";

}

public Circle(double r, String c){

if ( r < 0 )

throw new IllegalStateException("A negative radius is assigned in the constructor!");

radius = r;

color = c;

}

public double getRadius(){

return radius;

}

public String getColor(){

return color;

}

public void setRadius( double r){

radius = r;

}

public void setColor(String c){

color = c;

}

public String toString(){

return "Circle with radius: " + radius + ", and color: " + color;

}

public boolean greaterThan( Circle c){

return radius > c.radius;

}

public boolean isEqualTo(Circle c){

return (radius == c.radius ) && ( color.equals(c.color));

}

public double findArea(){

return radius * radius * 3.14;

}

}

// class MainClass

public class MainClass {

public static void main(String[] args) {

Circle c1 = new Circle();

Circle c2 = new Circle(2, "Red");

System.out.println(c2);

System.out.println(c2.findArea());

System.out.println(c1.greaterThan(c2));

}

}