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2011-03-22 09:12:03
2011-03-22 09:12:03

Yes. Method Overloading is a form of Polymorphism


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Yes. Overloading is a form of polymorphism

I think constructor overloading is the concept of polymorphism.

The dictionary definition of polymorphism refers to a principle in biology in which an organism or species can have many different forms or stages. This principle can also be applied to object-oriented programming and languages like the Java language. Subclasses of a class can define their own unique behaviors and yet share some of the same functionality of the parent class.Overriding and Overloading are two techiques to achive polymorphism in Java.Method overloading: When a method in a class having the same method name with different arguments is said to be method overloading. Method overriding : When a method in a class having the same method name with same arguments is said to be method overriding.

Compile Time Polymorphism in Java is when you have the several methods with same name and different parameters and compiler has to decide how to select which method has to run based on the arguments hence the name Compile time polymorphism or method overloading.

• Compile time Polymorphism also known as method overloading • Method overloading means having two or more methods with the same name but with different signatures LEarn Design Pattern,C#,ASP.NET,LINQ,Sharepoint,WCF,WPF,WWF

In run time polymorphism compiler doesn't know about way of execution of program that mean decide way of execution at run time while in compile time polymorphism compiler know about the way of execution of program. Example : compile time polymorphism -- method overloading run time time polymorphism -- method overriding

Polymorphism is used in Java when we want multiple things to represent the same entity. The usage definition might be misleading but, powerful features like Method Overloading and Method Overriding can be used to tap the potential of polymorphism in Java and implement complex functionalities with ease.

method overloading is the primary way polymorphism is implemented in JavaOverloading methodsoverloaded methods: appear in the same class or a subclasshave the same name but,have different parameter lists, and,can have different return types

By implementing polymorphism we need to use overloading and overriding Technics in program..

Runtime prolymorphism means overriding compiletile polymorphism means overloading

Yes they can. This is the fundamental feature of polymorphism and is called method overloading. Where you have multiple methods with the same name in a class. These methods differ from one another in the method signature alone.

Runtime prolymorphism means overriding compiletile polymorphism means overloading

Object-oriented programming (OOP). However, the four pillars of OOP are encapsulation, inheritance, polymorphism and abstraction. Although OOP does make use of overloading, overloading can exist without OOP.

Method overriding is when a child class redefines the same method as a parent class, with the same parameters. For example, the standard Java class java.util.LinkedHashSet extends java.util.HashSet. The method add() is overridden in LinkedHashSet. If you have a variable that is of type HashSet, and you call its add() method, it will call the appropriate implementation of add(), based on whether it is a HashSet or a LinkedHashSet. This is called polymorphism. Method overloading is defining several methods in the same class, that accept different numbers and types of parameters. In this case, the actual method called is decided at compile-time, based on the number and types of arguments. For instance, the method System.out.println() is overloaded, so that you can pass ints as well as Strings, and it will call a different version of the method. Overriding is an example of run time polymorphism. The JVM does not know which version of method would be called until the type of reference will be passed to the reference variable. It is also called Dynamic Method Dispatch. Overloading is an example of compile time polymorphism.

we can achieve by the help of overloading and overrding cocepts and this two methods are help ful in dynamic and static polymorphism.....

Runtime polymorphism is also called as method overriding, late binding or dynamic polymorphism. It is when a method in a subclass overrides a method in its super class with the same name and signature.

really there is no difference between constructor overloading and metho overloading

Static polymorphism:memory allocated at compile time is called as static resolves calls to overloading methods at compile time is called as Static polymorphism.Dynamic polymorphism:memory allocated at run time is called as dynamic allocationjava resolves calls to overloading methods at run time is called as Dynamic polymorphism or Dynamic binding or Dynamic dispatch.This principle is used to create reference variable.

yes,because in constructor overloading constructor have same and different parameter list. In method overloading method have same name and different parameter list.

Inheritance is the object oriented feature by which the functionality and features of one class are made available to another class without having to copy paste the code. Polymorphism is the object oriented feature by which multiple methods of a class can coexist with minor differences. Ex: method overloading.

Method overriding is runtime polymorphism, because method of which class will be called is determine at run time.

method overloading occurs when we use two functions or more with the same name.In function overloading compiler detect which method is call actually throw the parameters passed to the methods.In function overloading parameters of functions are different.

A constructor is just a special form of a method. You can overload constructors in the exact same way as you can overload any other method.

Short answer: They are the same. Long Answer, (and yet less revealing): Polymorphism is simply the ability to have many different methods (Or functions, for those who are used to C-Type programs) to have the same name, but act differently depending on the type of parameters that were passed to the function. So for example, we may have a method called punch, which accepts no parameters at all, and returns an integer: public int punch() { return 3; } We could also have a method named punch that accepts a String and returns a boolean. public boolean punch(String poorGuyGettingPunched) { if(poorGuyGettingPunched.equals("joe")) { System.out.println("sorry Joe"); return true; } else return false; } That is called polymorphism... And strangely enough, it is also called overloading. Do not confuse this with overriding, which replaces a function or method with a new one, or rather, hides the old method and replaces it with a new one.

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