Java program to pass an integer as argument and print the frequency of each digit in it

Write a program to pass an integer as argument, and print the frequency of each digit in it.

class Frequency
{
	public static void main(int n)
	{
		int i,c,d,j;
		for(i=0;i<=9;i++)
		{
			c=0;
			for(j=n;j>0;j=j/10)
			{
				d=j%10;
				if(d==i)
					c++;
			}
			if(c>0)
				System.out.println(“Frequency of “+i+”=”+c);
		}
	}
}