package geometrics;

public interface Shape {
    public double getPerimeter();

}

public class Circle implements Shape{
    public double pi=3.14;
    public double getPerimeter(){
        return 2*pi;
    }
}

public class Square implements Shape {
    public double side=5.00;
    @Override
    public double getPerimeter(){
        return 4*side;
    }
}

public class Test {
    public static void main(){
        Circle c = new Circle();
        Square s= new Square();

        Shape v[] =  {c,s};

        int sum=0;
        for (int i=0;i<v.length;i++){
            sum+=v[i].getPerimeter();
        }
        System.out.println(sum);
    }
}