package src.ex4;

public class Circle extends Shape {

protected double radius;

public Circle() {

super();

radius = 1.0;

}

public Circle(double radius) {

super();

this.radius = radius;

}

public Circle(double radius, String color, boolean filled) {

super(color, filled);

this.radius = radius;

}

public double getRadius() {

return radius;

}

public void setRadius(double radius) {

this.radius = radius;

}

@Override

public double getArea() {

return radius*radius*Math.PI;

}

@Override

public double getPerimeter() {

return 2 * radius * Math.PI;

}

@Override

public String toString() {

// StringBuilder sb = new StringBuilder();

// Formatter formatter = new java.util.Formatter(sb);

// formatter.format("A Circle with radius = %d, which is a subclass of %s"

// , radius, super.toString());

// return sb.toString();

return String.format("A Circle with radius = %f, which is a subclass of %s"

, radius, super.toString());

}

}