Rounding solution

package ca_2;
import java.util.Scanner;
public class CA_2
{
    public static void main(String[] args)
    {
        Scanner s = new Scanner(System.in);
        int size = s.nextInt();
        for (int i = 0; i < size; i++)
        {
          System.out.print(lampaDel(s.nextInt(),s.nextInt())+" ");
        }
    }
    public static int lampaDel(double a,double b)
    {
           int c = (int)((a/b)+0.5);
           if (c<0) return c-1;
           else return c;
    }
}