Dynamic polymorphism example#

Sumit Rawal answered on October 15, 2023 Popularity 9/10 Helpfulness 2/10

answer Dynamic polymorphism example#

Dynamic polymorphism example#

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// Shape Class
class Shape {
  
  public double getArea() {
    return 0;
  }
  
}

// A Rectangle is a Shape
class Rectangle extends Shape {  // extended form the Shape class

  private double length;
  private double width;
  
  public Rectangle(double length, double width) {
    this.length = length;
    this.width = width;
  }

  public double getArea() {
    return this.width * this.length;
  }
  
}

// A Circle is a Shape
class Circle extends Shape {

  private double radius;
  
  public Circle(double radius) {
    this.radius = radius;
  }

  public double getArea() {
    return 3.13 * this.radius * this.radius;
  }


  public static void main(String args[]) {
    Shape[] shape = new Shape[2]; // Creating the shape array of size 2

    shape[0] = new Circle(3); // creating the circle object at index 0
    shape[1] = new Rectangle(2, 3); // creating the rectangle object at index 1

    System.out.println("Area of Circle: " + shape[0].getArea());
    System.out.println("Area of Rectangle: " + shape[1].getArea());
  }

}

Popularity 9/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: dynamic java polymorphism

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Contributed on Oct 15 2023

Sumit Rawal

0 Answers Avg Quality 2/10

Dynamic polymorphism example#

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