How can polymorphism be used?

How can polymorphism be used?

Polymorphism is the ability of an object to take on many forms. The most common use of polymorphism in OOP occurs when a parent class reference is used to refer to a child class object. Any Java object that can pass more than one IS-A test is considered to be polymorphic.

Is polymorphism only in OOP?

Polymorphism is one of the core concepts in OOP languages. It describes the concept that different classes can be used with the same interface. Each of these classes can provide its own implementation of the interface. Java supports two kinds of polymorphism.

What is concept of polymorphism?

Polymorphism is the ability of any data to be processed in more than one form. The word itself indicates the meaning as poly means many and morphism means types. Polymorphism is one of the most important concept of object oriented programming language. Polymorphism is the key power of object-oriented programming.

Why do we need polymorphism in Java arrays?

Polymorphism is a feature that allow multiples data type to behave the same way through a common interface. Polymorphism would allow you to manage an array of Computer, no matter if they are a Notebook or a Desktop. The advantage of this, is that you don’t have to know which subtype of computer you are working with. They will behave as computer.

How is polymorphism used in multiples data types?

Polymorphism is a feature that allow multiples data type to behave the same way through a common interface. Polymorphism would allow you to manage an array of Computer, no matter if they are a Notebook or a Desktop.

How is method overriding used in polymorphism in Java?

This type of polymorphism is achieved by Method Overriding. Method overriding, on the other hand, occurs when a derived class has a definition for one of the member functions of the base class. That base function is said to be overridden.