Java Utililty Methods List Max

int max = 0;
for (String s : list) {
    if (s.length() > max)
        max = s.length();
return max;

Double maxVal = Double.MIN_VALUE;
int maxValIndex = 0;
int i = 0;
for (Double val : vals) {
    if (val > maxVal) {
        maxVal = val;
        maxValIndex = i;
    i++;
return maxValIndex;

double maxValue = 0;
if (list == null)
    return 0;
for (int i = 0; i < list.size(); i++) {
    if (list.get(i) == null)
        continue;
    double d = list.get(i);
    if (maxValue < d)
...

if (values.isEmpty()) {
    return -1.0;
double max = -1.0;
for (Double value : values) {
    if (max < value) {
        max = value;
return max;

Double max = aDefalut;
if (null != aList) {
    for (Double value : aList) {
        if (null != value) {
            if (null == max) {
                max = value;
            } else {
                max = Math.max(max, value);
...

double max = Integer.MIN_VALUE;
for (Number value : values) {
    if (value.doubleValue() > max) {
        max = value.doubleValue();
return max;

if (a == null)
    return (List<T>) b;
if (b == null)
    return (List<T>) a;
List<T> result = new ArrayList<T>(a);
Map<T, Integer> coeffs = new HashMap<T, Integer>();
buildMap(a, coeffs);
for (T t : b) {
...

for (boolean value : booleans) {
    if (value) {
        return true;
return false;

return Collections.max(a);

Collections.sort(data);
int n = data.size();
return data.get(n - 1);