Questions tagged [overriding]

Method overriding, in object oriented programming, is a language feature that allows a subclass or child class to provide a specific implementation of a method that is already provided by one of its superclasses or parent classes.

Method overriding, in object oriented programming, is a language feature that allows a subclass or child class to provide a specific implementation of a method that is already provided by one of its super classes or parent classes.

The implementation in the subclass overrides (replaces) the implementation in the superclass by providing a method that has same name, same parameters or signature, and same return type as the method in the parent class.

Don't confuse it with

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Example in Java

class Thought {
    public void message() {
        System.out.println("I feel like I am diagonally parked in a parallel universe.");
    }
}

public class Advice extends Thought {
    @Override  // @Override annotation in Java 5 is optional but helpful.
    public void message() {
        System.out.println("Warning: Dates in calendar are closer than they appear.");
    }
}
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Method overriding in Java throwing exceptions

I am trying to understand Object Casting and Method Overriding. I have a piece of code: public class ExceptionClass{ void m() throws SQLException{} } class A extends ExceptionClass{ void m() throws Exception{} …
prateekgupta
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Different return type for same method of a base class

A very simple base class: class Figure { public virtual void Draw() { Console.WriteLine("Drawing Figure"); } } This inheriting class: class Rectangle : Figure { public int Draw() { Console.WriteLine("Drawing…
Konerak
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Override CreateTempDataProvider() to solve null reference exception at System.Web.Mvc.Controller.PossiblyLoadTempData()

So I just implemented a base controller on my MVC3 site in order to have some things execute before every view is loaded. Particularly I wanted something that would act as a kind of master page code behind. Once I rolled this and made all my…
ledgeJumper
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Why can't the java Iterable interface take a generics wildcard? Or: why can't I an overriding iterator() method return an Iterator for a subclass?

I have some classes: SearchResponse, SearchResponseHit, SpecialSearchResponse (extends SearchResponse) and SpecialSearchResponseHit (extends SearchResponseHit). SearchResponse look something like this: public class SearchResponse implements…
user1442411
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Java: why "this( )" is not overriden?

See below example: class A { A() { this(1); } A(int i) { System.out.println("A" ); } } class B extends A { B() {} B(int i) { System.out.println("B" ); } } public class Test { public static void main(String[] args) { …
Don Li
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Cabal: conditionally override a flag default value

Is there any way to rewrite either: flag llvm description: compile via LLVM default : if os(mingw32) False else True or flag llvm description: compile via LLVM default :…
Cetin Sert
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Overwriting JS function by switching files

I know that, once a script has loaded, you can remove the