//Hierarchical Inheritance

class Shape

{

float length,breadth,radius;

}

class Rect extends Shape

{

  Rect(float l,float b)

  {

   length=l;

   breadth=b;

  }

  float rectangleArea()

  {

  return length*breadth;

  }

}

class Circle extends Shape

{

  Circle(float r)

  {

   radius=r;

  }

  float circleArea()

  {

  return 3.14*(radius*radius);

  }

}

class Hierarchical

{

public static void main(String args[])

{

  Rect o1=new Rect(2,5);

  System.out.println(“Area of Rectangle=” +o1.rectangleArea());

  Circle o2=new Circle(5);

  System.out.println(“Area of Circle=” +o2.circleArea());

}

}