Please Write two methods named findArea that take side lengths of a square or a rectangle as parameters. findArea method must return the area of a square if there is only one parameter. If there are two parameters, findArea method returns the area of a rectangle. Example fi n dA r ea ( 2 ) ?> 4 fi n dA r ea ( 3 ) ?> 9 fi n dA r ea ( 2 , 3 ) ?> 6 fi n dA r ea ( 4 , 5 ) ?> 20