Java Utililty Methods List Average

for (Object[] objects : list) {
 double div = Double.valueOf(objects[InColumn1].toString());
 double div2 = Double.valueOf(objects[InColumn2].toString());
 if (div2 != 0) {
 objects[resultColumn] = div / div2;
return list;
...

long sum = 0L;
int i = 0;
for (long x : vals) {
 if (i > maxI)
 break;
 sum += x;
 i++;
return (1.0 * sum) / i;

Double result = null;
double allAdded = 0;
int numNulls = 0;
for (Iterator iterator = collected.iterator(); iterator.hasNext();) {
 Object obj = iterator.next();
 Number value = (Number) obj;
 if (value != null) {
 allAdded += value.doubleValue();
...

double sum = 0.0d;
int count = 0;
for (int i = 0; i < arr.size(); i++) {
 if (!Double.isNaN(arr.get(i))) {
 sum += arr.get(i);
 count++;
return sum / ((double) count);

return sum(list) / list.size();

double sum = 0;
for (Double number : numbers)
 sum += number;
return sum / numbers.size();

double total = 0.0;
for (double d : observations) {
 total += d;
return total / observations.size();

if (collection == null || collection.size() == 0)
 return 9;
if (collection.size() == 1)
 return collection.get(0);
double average = collection.get(0);
for (int i = 1; i < collection.size(); i++)
 average = i * (average + collection.get(i).doubleValue() / i) / (i + 1);
return average;
...

final double size = values.size();
double avg = 0;
for (final double v : values)
 avg += v / size;
return avg;

if (logList.size() == 1)
 return logList.get(0);
double[] logs = new double[logList.size()];
for (int i = 0; i < logs.length; i++) {
 logs[i] = logList.get(i);
return averageLog(logs);