Question: Write a Java class called Factorial. This class defines a method called factorial() which takes as its only parameter an int called n, and returns

Write a Java class called Factorial. This class defines a method called factorial() which takes as its only parameter an int called n, and returns an int representing the factorial of n. The factorial of an integer n, denoted n!, is defined as n (n 1) (n 2) . . . 1 (but note that 0! is 1). You MAY assume that n is a non-negative integer.

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