Java program to pass an integer as argument and print the largest as well as smallest digit

Write a program to pass an integer as argument and print the largest as well as smallest digit.

class LargestSmallest
{
	public static void main(int a)
	{
		int i,d,l=0,s=0,c=0;
		for(i=a;i>0;i=i/10)
		{
			d=i%10;
			c++;
			if(c==1)
				l=s=d;
			if(d>l)
				l=d;
			if(d<s)
				s=d;
		}
		System.out.println("Largest="+l);
		System.out.println("Smallest="+s);
	}
}