public class TestAll {

    public static void main(String args[]) {

         Circle c1 = new Circle(); {
             radius = 5;
         }



        Point p1 = new Point(); {
            width = 5;
        }
         Point p2 = new Point(); {
            width = 5;
            height = 7;
         }
         Square s1 = new Square(p1);


         Rectangle r1 = new Rectangle(p2);


        System.out.println("Details of c1:");
        System.out.println("radius: " + c1.radius());
        System.out.println("area: " + c1.area());
        System.out.println("perimeter: " + c1.perimeter());
        System.out.println("Details of s1: ");
        System.out.println("side length: " + s1.width());
        System.out.println("area: " + s1.area());
        System.out.println("perimeter: " + s1.perimeter());
        System.out.println("Details of r1: ");
        System.out.println("width: " + r1.width());
        System.out.println("height: " + r1.height());
        System.out.println("area: " + r1.area());
        System.out.println("perimeter: " + r1.perimeter());

    }

    }}
1./////////////////////////////////////////////////////////////////////

public class Point {
    private int width;
    private int height;
    public Point(int theWidth, int theHeight) {
        width = theWidth;
        height = theHeight;
    }
    public int getWidth() {
    return width;
    }
    public int getHeight() {
        return height;
        }
    public void setHeight(int theHeight) {
         height = theHeight;
        }
    public void setWidth(int theWidth) {
         width = theWidth;
        }
}
2.///////////////////////////////////////
public interface FigureGeometry
{


    final float PI = 3.14f;



    float getArea ();
    float getPerimeter ();

}
3.//////////////////////////////////////////////
public class Circle implements FigureGeometry {


    private float radius;

public Circle(float theRadius) {
    radius = theRadius;
}

    public float getRadius ()
    {
        return radius;
    }



    public float getArea ()
    {
        return getRadius() * getRadius() * PI;
    }



    public float getPerimeter ()
    {
        return getRadius() * 2 * PI;
    }



    public void setRadius ( float theRadius )
    {
        radius = theRadius;
    }

}
4.////////////////////////////////////////////////////////
public class Square implements FigureGeometry {
private Point point;

public Square(Point p) {
    point = p;
}

public int getSideLength() {
    return point.getWidth();
}

public float getArea() {
    return getSideLength() * getSideLength();
}

public float getPerimeter() {
    return getSideLength() * 4;
}
public void setPoint(Point p) {
    point = p;
}
}



5.////////////////////////////////////////////////
public class Rectangle {
private Point point;

public Rectangle (Point p) {
    point = p;
}

public int getWidth() {
    return point.getWidth();
}
public int getHeight() {
    return point.getHeight();
}
public float getArea() {
    return getWidth() * getHeight();
}

public float getPerimeter() {
    return ( getWidth() + getHeight() ) * 2;
}
public void setPoint(Point p) {
    point = p;
}
}