Runtime Polymorphism — Quick Check

1. What allows runtime polymorphism to work in Java?

Method overloadingMethod overridingUsing the same variable name twiceDeclaring a variable as final

2. In `Animal myPet = new Dog(); myPet.makeSound();`, which version of makeSound() runs?

Animal's version, because myPet is declared as AnimalDog's version, because that's the actual object type at runtimeNeither — this causes a compile errorBoth versions run, one after another

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