Java Utililty Methods List from Array

final List<Object> list = new ArrayList<Object>();
for (final Object element : objectArray) {
    if (Collection.class.isAssignableFrom(element.getClass())) {
        @SuppressWarnings("rawtypes")
        final Collection collection = (Collection) element;
        list.addAll(asList(collection.toArray()));
    } else {
        list.add(element);
...

final List<T> elementList = new ArrayList<T>();
elementList.addAll(elements);
return elementList;

if (node == null) {
    return Collections.emptyList();
return Collections.singletonList(node);

List<T> arrayList = new ArrayList<T>(array.length);
Collections.addAll(arrayList, array);
return arrayList;

final ArrayList<T> list = new ArrayList<T>(data.length);
Collections.addAll(list, data);
return list;

final List<T> list = new ArrayList<T>(data.length);
Collections.addAll(list, data);
return list;

List<T> res;
if (isEmpty(array)) {
    res = Collections.emptyList();
} else {
    res = Arrays.asList(array);
return res;

final List<T> out = new ArrayList<T>(input.length);
for (int i = 0; i < input.length; i++) {
    out.add(input[i]);
return out;

int size = (elements != null) ? elements.length : 0;
List<Float> list = new ArrayList<Float>(size);
if (elements != null) {
    for (Float elem : elements) {
        list.add(elem);
return list;
...

List<Integer> list = new ArrayList<>();
for (int element : array) {
    list.add(element);
return list;