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What is Polymorphism?

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Sumit Rawal answered on August 31, 2020 Popularity 10/10 Helpfulness 2/10

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What is Polymorphism?

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The word Polymorphism is a combination of two Greek words, Poly meaning many and Morph meaning forms.

In programming, polymorphism refers to the same object exhibiting different forms and behaviors.

For example, take the Shape Class. The exact shape you choose can be anything. It can be a rectangle, a circle, a polygon, or a diamond. While, these are all shapes, their properties are different. This is called polymorphism.

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Contributed on May 17 2023

Sumit Rawal

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what is polymorphism

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POLYMORPHISM: It is an ability of object to behave in multiple
form. The most common use of polymorphism is Java, when a
parent class reference type of variable is used to refer to a child
class object.
In my framework
  E.g.: WebDriver driver = new ChromeDriver();
We use method overloading and overriding to achieve
Polymorphism.

There are two types of achieving Polymorphism
Upcasting & Downcasting
Upcasting is casting a subtype to a supertype, 
going up in the inheritance tree.
It is done implicitly
 in order to use method available on any
 interface/class, the object should be of
 same class or of class implementing the interface.  
   WebDriver driver = new ChromeDriver();
or
	TakeScreenShot ts = new ChromeDriver();
    
    Downcasting is casting to a subtype, 
going down in the inheritance tree.
It is done to access sub class features.
It has to be done manually

ChromeDriver driver = (ChromeDriver)Webdriver;

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Contributed on Nov 28 2020

Thankful Tuatara

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what is polymorphism

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The word polymorphism means having many forms. In simple words, we can define polymorphism as the ability of a message to be displayed in more than one form. Real life example of polymorphism: A person at the same time can have different characteristic. Like a man at the same time is a father, a husband, an employee.

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Contributed on Aug 31 2020

Nervous Nightingale

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Polymorphism

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// Parent class
class Animal {
  public void greeting() {
    System.out.println("The animal greets you.");
  }
}

// Child class
class Cat extends Animal {
  public void greeting() {
    System.out.println("The cat meows.");
  }
}

class MainClass {
  public static void main(String[] args) {
    Animal animal1 = new Animal();  // Animal object
    Animal cat1 = new Cat();  // Cat object
    animal1.greeting(); // prints "The animal greets you."
    cat1.greeting(); // prints "The cat meows."
  }
}

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Source: www.codecademy.com

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Contributed on Dec 22 2022

Crowded Cheetah

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polymorphism

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// Java Program for Method Overriding
 
// Class 1
// Helper class
class Parent {
 
    // Method of parent class
    void Print()
    {
 
        // Print statement
        System.out.println("parent class");
    }
}
 
// Class 2
// Helper class
class subclass1 extends Parent {
 
    // Method
    void Print() { System.out.println("subclass1"); }
}
 
// Class 3
// Helper class
class subclass2 extends Parent {
 
    // Method
    void Print()
    {
 
        // Print statement
        System.out.println("subclass2");
    }
}
 
// Class 4
// Main class
class GFG {
 
    // Main driver method
    public static void main(String[] args)
    {
 
        // Creating object of class 1
        Parent a;
 
        // Now we will be calling print methods
        // inside main() method
 
        a = new subclass1();
        a.Print();
 
        a = new subclass2();
        a.Print();
    }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: www.geeksforgeeks.org

Tags: java

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Contributed on Dec 04 2022

Ahmed Samir

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What is Polymorphism

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What is Polymorphism:

1] Polymorphism is one of the important features of Object-Oriented Programming.
2] Polymorphism has ability to perform more than one form
3] Ploymorphism allows us to perform a single function in different ways

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Contributed on Apr 05 2023

@CodeGrepperManu

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What do you mean by Polymorphism ? Explain it with an example ?

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class Animal:
    def speak(self):
        pass

class Dog(Animal):
    def speak(self):
        return "Woof!"

class Cat(Animal):
    def speak(self):
        return "Meow!"

class Duck(Animal):
    def speak(self):
        return "Quack!"

def animal_sound(animal):
    return animal.speak()

# Creating instances of different classes
dog = Dog()
cat = Cat()
duck = Duck()

# Using the common base class and polymorphism
animals = [dog, cat, duck]

for animal in animals:
    print(f"{animal.__class__.__name__} says: {animal_sound(animal)}")

Popularity 9/10 Helpfulness 1/10 Language python

Source: chat.openai.com

Tags: explain

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Contributed on Oct 20 2023

oscar muya

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What is Polymorphism?

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