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this.radius = radius;
}

public double getRadius() {
return radius;
}

public void setRadius(double radius) {
this.radius = radius;
}

@Override
public double getArea() {
return 4 * Shape.PI * radius * radius;
}

@Override
public double getVolume() {
return 4.0 / 3 * Shape.PI * Math.pow(radius, 3);
}

@Override
public void shapeInfo() {
System.out.println("This is a shape 'Sphere':");
super.shapeInfo();
System.out.println("\tradius = " + radius);
}
}

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

public interface IPerimeter {
double getPerimeter();
}

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

public interface IVolume {
double getVolume();
}

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

public interface IVertex {
public int getNumberOfVertex();
}

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

public class Main {
public static void main(String[] args) {

Shape shapes[] = {
new Square(7.24, "red", Border.DOTTED),
new Circle(5.81, "green", Border.SOLID),
new Cube(6.75, "yellow", Border.DASHED),
new Sphere(6.39, "blue", Border.SOLID)
};

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