E6_Shape/Rectangle/Circle

class Shape {
    public void printShape() {
        System.out.println("This is shape");
    }
}

class Rectangle extends Shape {
    @Override
    public void printShape() {
        System.out.println("This is rectangular shape");
    }
}

class Circle extends Shape {
    @Override
    public void printShape() {
        System.out.println("This is circular shape");
    }
}

class Square extends Rectangle {
    public void printSquare() {
        System.out.println("Square is a rectangle");
    }
}

public class Main {
    public static void main(String[] args) {
        Square squareObj = new Square();

        // Call the method of the Shape class through the Square object
        squareObj.printShape(); // This will print "This is rectangular shape"

        // Call the method of the Rectangle class through the Square object
        squareObj.printSquare(); // This will print "Square is a rectangle"
    }
}