Java Utililty Methods Array Average

Double average(Double sum, Double size)
average

if (Math.abs(size) < 0.0001)
 return 0.0; 
return sum / size;

double average(double values[])
average

int s = values.length;
if (s == 0)
 return Double.MIN_VALUE;
double avg = 0.0;
for (int i = 0; i < s; i++)
 avg += values[i];
return avg / s;

double average(double x, double y)
Average two numbers

return (x + y) / 2;

double average(double x1, double x2)
average

return (x1 + x2) / 2;

double average(double... args)
average

double total = 0D;
for (double value : args) {
 total += value;
return total / args.length;

double average(double... vals)
If you think your values will overflow this operation, then roll your own

if (vals == null || vals.length == 0) {
 return 0;
return sum(vals) / vals.length;

double average(double[] a)
average

return sum(a) / a.length;

double average(double[] a)
average

return sum(a) / a.length;

Double average(Double[] arr)
average

return sum(arr) / arr.length;

double average(double[] array)
Returns the average value of an array.

return array.length == 0 ? 0 : sum(array) / array.length;