Diff between polymorphism abstraction

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Polymorphism allows objects of different classes to be treated as objects of a common superclass. Abstraction hides the implementation details and only shows the necessary features of an object.

Polymorphism enables a single interface to be used for different data types or classes. For example, a superclass Animal can have subclasses like Dog and Cat, and a method speak() can be called on any object of Animal type.
Abstraction focuses on what an object does rather than how it does it. For example, a Car class may have methods like start() and stop() without revealing the internal workings of the engine.
Polymorphism is achieved through method overriding in inheritance, while abstraction is achieved through abstract classes and interfaces.

Diff between polymorphism abstraction

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