Overriding vs Hiding Java – Confused

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Overriding basically supports late binding. Therefore, it’s decided at run time which method will be called. It is for non-static methods.

Hiding is for all other members (static methods, instance members, static members). It is based on the early binding. More clearly, the method or member to be called or used is decided during compile time.

In your example, the first call, Animal.testClassMethod() is a call to a static method, hence it is pretty sure which method is going to be called.

In the second call, myAnimal.testInstanceMethod(), you call a non-static method. This is what you call run-time polymorphism. It is not decided until run time which method is to be called.

For further clarification, read Overriding Vs Hiding.

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