Info

public class C_Info extends Thread {

    @Override
    public void run() {
        while (C_Citac.hotovo == false) {
            System.out.println(C_Citac.suma);
            Thread.yield();
        }
        System.out.println(C_Citac.suma);
    }


    public static void main(String[] args) {
        C_Citac vlCitanie = new C_Citac("data.txt");
        vlCitanie.start();

        C_Info vlInfo = new C_Info();
        vlInfo.start();
    }
}