Java Utililty Methods List Clone

if (list == null)
    return null;
List<String> cloneList = new ArrayList<String>();
for (String value : list)
    cloneList.add(value);
return cloneList;

List<String> result = new ArrayList<String>();
for (String s : toClone) {
    result.add(new String(s));
return result;

if (list == null) {
    return null;
return new ArrayList<E>(list);

if (lls == null) {
    return (lls);
List<List<String>> result = new ArrayList<List<String>>(lls.size());
for (List<String> l : lls) {
    result.add(new ArrayList<String>(l));
return (result);
...

List<String> subList = new ArrayList<String>();
for (int i = startIndexInclusive; i < endIndexExclusive; ++i)
    subList.add(list.get(i));
return subList;