Currency to Words

import java.util.*;
public class CurrencyWord
{
    int n;static String word;static int pV;
    CurrencyWord()//constructor to initialise values
    {
        n=0;word="";pV=1;
    }
    public void input()//for taking input from user
    {
         Scanner sc=new Scanner(System.in);
         System.out.println("Enter a number <=999999999");
         n=sc.nextInt();
    }
    public void feeder()//feeds 'separator' function with a number
    {
        int c=0;
        while(n>0)//separation loop
        {
            if(c==1)//for separating 100th place digit
            {
                if(n%10!=0)//for checking whether it is zero or not
                {
                    formWord(n%10,0);
                    n=n/10;
                    pV++;
                }
                else
                {
                    pV++;
                    n=n/10;
                }
            }
            else//for separating rest numbers in group of two
            {
                int x=n%10;
                int y=n/10;
                int z=y%10;
                if(x==0&&z==0)//for checking whether it is zero or not
                {
                    pV=pV+2;
                }
                else
                {
                    separator(n%100);
                }
                n=n/100;
            }
            c++;
        }
    }
    public static void separator(int input)//separates the group extracted number from feeder if its >19    11234
    {
        int c=0;
        if(input<10)
        {
            formWord(input,0);
            pV=pV+2;
        }
        else if(input>10&&input<20)
        {
            formWord(input%10,1);
            pV=pV+2;
        }
        else
        {
            while(input>0)//for separating group extracted number if it is >19
            {
                formWord(input%10,c);
                input=input/10;
                c=c+2;pV++;
            }
        }
        c=0;
    }
    public static void formWord(int in,int arNum)//forms the requird word 
    {
        String[][] ar={{"","One ","Two ","Three ","Four ","Five ","Six ","Seven ","Eight ","Nine "},
                       {"","Eleven ","Tweleve ","Thirteen ","Forteen ","Fifteen ","Sixteen ","Seventeen ","Eighteen ","Nineteen "},
                       {"","Ten ","Twenty ","Thirty ","Forty ","Fifty ","Sixty ","Seventy ","Eighty ","Ninenty "}};
        String name[]={"","","","Hundred ","Thousand ","","Lakh ","","Crore ",""};
        word=ar[arNum][in]+name[pV]+word;
    }
    public static void main(String args[])//for calling the function accordingly
    {
        CurrencyWord obj=new CurrencyWord();
        obj.input();
        obj.feeder();
        System.out.println(word);
    }
}