Thai ID Card# ใส่แค่ 12 หลัก

import java.util.*;
import java.lang.*;

class TestID
{
public static void main(String[] args)
{
Character c;

String s;

int x,i,sum;

Scanner in = new Scanner(System.in);

System.out.print("Enter ID 12 Digit = ");

String digi = in.nextLine();

System.out.println("");

if(digi.length() != 12) System.out.println("Wrong ID : ID Not Match!!");

else

{

for(i=0, sum=0; i < 12; i++)
{
c = new Character(digi.charAt(i));
s = c.toString();
x = Integer.parseInt(s);
sum += x*(13-i);

};


System.out.println("Last Digi = "+((11-sum%11)%10));

};

System.out.println("");
}
}