Java ciklai vidrurkio skaiciavimas ir min/max skaiciu paiesk

import java.util.Scanner;

public class Main {

    public static void main(String args[]) {
        int[] a = {44, 33, 4, 100, 20, 10};
        int max = a[0];
        int min = a[0];

        int maxIndex = 0;

        for (int i = 1; i < a.length; i++) {
            if (a[i] > max) {
                max = a[i];
                maxIndex = i;
            }else if (a[i] < min) {
                min = a[i];
            }
        }

        System.out.println("Didziausias massive elementas:" + max);
        System.out.println("Maziausias massive elementas:" + min);


        int[] b = {5, 6, 10, 15, 8, 4};
        int[] c = {8, 5, 3};

        int sumaB = 0;
        int sumaC = 0;
        double averageB;
        double averageC;
        double changer;
        for (int i = 0; i < b.length; i++) {
            sumaB += b[i];
        }
        for (int i = 0; i < c.length; i++) {
            sumaC += c[i];
        }
        averageB = (double)sumaB / (double)b.length;
        averageC = (double)sumaC / (double)c.length;
        changer = averageB - averageC;

        System.out.println("massive B average:" + averageB);
        System.out.println("massive C average:" + averageC);
        System.out.println("massive changer:" + changer);
    }
}