public class Circle {
private double radius;
private String color;
public Circle(){
radius=1.0;
color="red";
}
public Circle(double radius){
this.radius=radius;
}
public Circle(double radius,String color){
this(radius);
this.color=color;
}
public double getRadius(){
return radius;
}
public void setRadius(double radius){
this.radius=radius;
}
public String getColor(){
return color;
}
public void setColor(String color){
this.color=color;
}
public double getArea(){
return Math.PI*Math.sqrt(radius);
}
public String toString(){
return "\"Circle[radius="+radius+",color="+color+"]\"";
}
}