Java program to pass an integer as argument and check whether all digits in it are even digit or not

Write a program to pass an integer as argument and check whether all digits in it are even digit or not.

class AllEven
{
	public static void main(int a)
	{
		int i,d,f=0;
		for(i=a;i>0;i=i/10)
		{
			d=i%10;
			if(d%2!=0)
				f=1;
		}
		if(f==0)
			System.out.println("All are even digits");
		else
			System.out.println("All are not even digits");
	}
}