polymorphism example
Example 1: what is polymorphism
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.
Example 2: what is polymorphism
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;
Example 3: use of polymorphism in real world
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
Example 4: polymorphism in framework
HOW DO YOU IMPLEMENT POLYMORPHISM IN YOUR FRAMEWORK
Set<Integer> set1 = new HashSet<>();
Map<Integer> set2 = new HashMap<>();
List<Integer> mySet = new ArrayList<>();
JavaScriptExecuter js = (JavaScriptExecuter)Driver.getDriver;
TakeScreenshot screen = (TakeScreenshot)Driver.getDriver;
WebDriver driver = new ChromeDriver();
WebDriver driver = new FirefoxDriver();
AppiumDriver driver = new AndroidDriver();