abstract method java

What is a abstract method in Java?
Abstract methods are those types of methods that don't require implementation for its declaration.
These methods don't have a body which means no implementation.
A few properties of an abstract method are: An abstract method in Java is declared through the keyword “abstract”._{17 août 2022}
What is the difference between abstract method and normal method in Java?
Conclusion: The biggest difference between abstract and non abstract method is that abstract methods can either be hidden or overridden, but non abstract methods can only be hidden.
And that abstract methods don't have an implementation, not even an empty pair of curly braces.
Why abstract class is used in Java?
abstract keyword is used to create a abstract class and method.
Abstract class in java can't be instantiated.
An abstract class is mostly used to provide a base for subclasses to extend and implement the abstract methods and override or use the implemented methods in abstract class.
Abstraction in Java keeps the user from viewing complex code implementations and provides the user with necessary information.
We cannot instantiate the abstract class in Java directly.
Instead, we can subclass the abstract class.

An abstract class is a class that is declared abstract —it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be Autres questions

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