overriding

Overriding means same method name and same parameter, occur in different class that has inheritance relationship. we use method overriding to implement specific functionality to the method. Example: get method WebDriver driver = new ChromeDriver(); driver.get("URL") ==> opens the url from chrome WebDriver driver = new FireFoxDriver(); driver.get("URL") ==> opens the url from Firefox we can only override instance methods and method override takes place in sub class. instance method that we are going to override cannot be private and final

overriding

Overriding means same method name and same parameter, 
occur in different class that has 
inheritance relationship. 
we use method overriding to implement 
specific functionality to the method. 

Examples are get and navigate methods
of different drivers in Selenium .

Example: get method
WebDriver driver = new ChromeDriver();
driver.get("URL") ==> opens the url from chrome

WebDriver driver = new FireFoxDriver();
driver.get("URL") ==> opens the url from Firefox

we can only override instance methods and method override 
takes place in sub class.
instance method that we are going to override cannot be private and final
Example: get method
WebDriver driver = new ChromeDriver();
driver.get("URL") ==> opens the url from chrome

WebDriver driver = new FireFoxDriver();
driver.get("URL") ==> opens the url from Firefox

we can only override instance methods and method override 
takes place in sub class.
instance method that we are going to
override cannot be private and final

Posted by: Guest on January-05-2021

Method Overloading Method overloading is providing two separate methods in a class with the same name but different arguments, while the method return type may or may not be different, which allows us to reuse the same method name. 1) Method Overloading occurs with in the same class 2) Since it involves with only one class inheritance is not involved. 3)In overloading return type need not be the same 4) Parameters must be different when we do overloading 5) Static polymorphism can be acheived using method overloading 6) In overloading one method can’t hide the another

using method-override in your index.js 1. npm install method-override --save 2. var methodOverride = require("method-override"); 3. app.use(methodOverride("_method")); //'_method' is what methodOverride will look for method override in your UPDATE route: * <form action = "/campgrounds/<%=campground._id%>/edit?_method=PUT" method = "POST"> and EDIT routes:

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