Java Utililty Methods Array Average

double res = 0.0;
for (int i = 0; i < a.length; i++)
    res += a[i];
return (res / a.length);

if (maxLength >= values.length) {
    return values;
double[] array = new double[maxLength];
int index = 0;
int counter = 0;
for (int i = 0; i < values.length; i++) {
    int newIndex = (int) Math.floor((double) i * (double) array.length / (double) values.length);
...

double[] result = new double[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = (array[i] + doublevalue) / 2;
return result;

double avg = 0;
int counter = 0;
for (double v : values) {
    if (!Double.isNaN(v)) {
        avg += v;
        counter++;
if (counter == 0) {
    return 0;
return avg / (double) counter;

double sum = 0;
for (double x : array) {
    sum += x;
if (sum == 0)
    return 0;
else
    return sum / array.length;
...

double retVal = 0.0;
if ((high != null) && (low != null)) {
    if (days <= high.length) {
        for (int i = 0; i < days; i++) {
            retVal += (high[i] - low[i]);
return retVal / days;

return sum(values) / (double) values.length;

return Arrays.stream(values).reduce((a, b) -> a + b).getAsInt() / values.length;

for (int i = 0; i < A.length; ++i)
    Arrays.fill(A[i], 0);