Write a program for department store

Question

where each customer with their products. we have to find the bill of customers with their different products

Answer 1

import java.io.*;
import java.lang.*;
class ds
{
public static void main(String args[])throws IOException
{
InputStreamReader ob =new InputStreamReader(System.in);
BufferedReader br=new BufferedReader (ob);
String cn,ca;
int cm,total,bill,p,c,n,pn;
int maggi=20;
int kurkure=30;
int biscuit=5;
int luxsoap=30;
int kajubiscuit=24;
int ponds=120;
System.out.println ("enter no of customer");
n=Integer.parseInt(br.readLine());
System.out.println("enter customer'name");
cn=br.readLine();
System.out.println("enter customer address");
ca=br.readLine();
System.out.println("enter customer mobile no");
cm=Integer.parseInt(br.readLine());
System.out.println("enter the product no");
pn=Integer.parseInt(br.readLine());
System.out.println("enter the product");
p=Integer.parseInt(br.readLine());
for(c=1;c<=n;c++)
{
total=pn*p;
System.out.println("bill="+total);
}
}
}

Answer 2

What is the errors in this program? I don't know