Question 9 (1 point) Consider the following method header from a class BigCat which extends the class Mammal: public void roar(int n) Which of the following is a correct example of overriding the method above? O Adding the following method in the class BigCat: public void roar() O Adding the following method in the class Bear which extends the class Mammal: public void roar(int n) Adding the following method in the class Lion which extends the class BigCat: public void roar(int n) Adding the following method in class Mammal: public void roar()