El polimorfismo de subtipo ocurre cuando: ejemplo de código

Si encuentras algún error con tu código o trabajo, recuerda probar siempre en un ambiente de testing antes añadir el código al proyecto final.

Ejemplo: que es polimorfismo

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;

Al final de todo puedes encontrar las explicaciones de otros creadores, tú igualmente eres capaz dejar el tuyo si te gusta.

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