Input 10 numbers and find average of positive numbers using while loop in Java

import java.util.Scanner;

public class Q4
{
    public static void main(String args[])
    {
        int i=1,n,sum=0,c=0;
        float avg=0;
        Scanner sc=new Scanner(System.in);

        System.out.println("Enter 10 numbers");
        while(i<=10)
        {
            n=sc.nextInt();
            if(n>0)
            {
                sum=sum+n;
                c=c+1;
                avg=sum/(float)c;
            }

            i=i+1;
        }
        System.out.println("Average of positive numbers = " + avg);
    }
}