public class Bulatkan {
    public static void main(String[] args) {
        double harga = 72.99;
        System.out.println("cast   : " + (int) harga);
        System.out.println("round  : " + Math.round(harga));

        double suhu = -3.7;
        System.out.println("cast   : " + (int) suhu);
        System.out.println("round  : " + Math.round(suhu));
    }
}