Write Java application to calculate the following equation: Y=1/2+3/4+5/6+...+n/(n+1) n is an odd number entered by user.

Extend your application to solve the following equation Y=1/2!+3/4!+5/6!+...+n/(n+1)!

I need solution for 2nd part, here is the solution for first part:

public static void main(String[] args) { System.out.println("enter an odd number"); int i=1,num; double y; Scanner dataIn = new Scanner(System.in); num = dataIn.nextInt(); y= num/(num+1); while (i <= num) { y += ((1.0 * i) / (i + 1)); i += 2; } System.out.println("Y= " + y); }

}