Java program to pass an integer as argument and find the average of its digits

Write a program to pass an integer as argument and find the average of its digits.

class Average
{
	public static void main(int a)
	{
		int i,d,s=0,c=0;
		float avg;
		for(i=a;i>0;i=i/10)
		{
		d=i%10;
		s+=d;
		c++;
		}
		avg=(float)s/c;
		System.out.println("Average="+avg);
	}
}