Vážený priemer

package priemer;
import java.util.Scanner;

public class Priemer {
        public static void main(String[] args){
                System.out.println("Program na vypocet vazeneho priemeru");
                System.out.println("Zadaj pocet znamok:");
                Scanner scan = new Scanner(System.in, "UTF-8");
                int pocet = Integer.parseInt(scan.nextLine());
                float[] znamky = new float[pocet];
                int[] kredity = new int[pocet];
                for (int i=0; i<pocet; i++){
                        System.out.printf("Zadaj %d znamku:\n", i+1);
                        znamky[i]=Float.parseFloat(scan.nextLine());
                        System.out.printf("Zadaj pocet kreditov:\n");
                        kredity[i]=Integer.parseInt(scan.nextLine());
                }
                scan.close();
                float sucetZnamok = 0F;
                int sucetKreditov = 0;
                for (int i=0; i<pocet; i++){
                        sucetZnamok += znamky[i]*kredity[i];
                        sucetKreditov += kredity[i];
                }
                System.out.println(sucetZnamok/sucetKreditov);
        }
}