Average - Java

import java.util.Scanner;
public class avg
{
    public static void main(String args[])
    {
        double grade=0, total=0;
        int num;
        Scanner input=new Scanner(System.in);
        System.out.print("Please enter your number of grades: ");
        num=input.nextInt();
        System.out.println("Now enter the grades.");
        for (int counter=1, counter<=num, counter++)
        {
            grade=input.nextDouble();
            total+=grade;
        }
        System.out.println("The average is: "+total/num);
        System.out.print("\n\n\n");
        main(null); \* Now with repeating code! Yay! *\
    }
}