Prefix

package model;

import java.util.Arrays;

public class PrefixAverage {
    public static double[] prefixAverage(int[] inputTal) {
        double[] result = new double[inputTal.length];
        double sum = 0;
        for (int i = 0; i < inputTal.length; i++) {
            sum = sum + inputTal[i];
            result[i] = sum / (i + 1);
        }
        return result;
    }

    public static void main(String[] args) {
        int startTal[] = new int[] { 5, 10, 5, 6, 4, 9, 8 };
        int inputTal[] = new int[] { 5, 10, 5, 6, 4, 9, 8 };
        System.out.println(Arrays.toString(startTal));
        System.out.println(Arrays.toString(prefixAverage(inputTal)));
    }
}