PunNumber class returns interesting (or fun) information about the integer representation of itself The PunNumber object can return the number of digits it has, the sum of its digits, whether or not it's prime number, and whether or not it's a perfect number. An incomplete definition of the FunNumbe class appears below. creates and manipulates a number, which is funl public class FunNumber Constructs a FunNumber representation of the integer n. Assumes n0 @param n the FunNumber value public FunNumber (int n) f. . ) Constructs a FunNumber representation of the String n. Assumesno. oparam n the string to be represented by this FunNumber public FunMumber (String n) f. .. Returns the number of digits in this FunNumber ereturn the number of digits in this FunNumber public int numDigits) / Code goes here