Java Utililty Methods Collection to List

return array(objects);

StringBuffer buf = new StringBuffer();
for (Iterator itr = addresses.iterator(); itr.hasNext();) {
    String address = (String) itr.next();
    if (buf.length() > 0)
        buf.append(separator);
    buf.append(address);
return buf.toString();
...

if (collection instanceof List)
    return (List) collection;
List list = new ArrayList();
Iterator iterator = collection.iterator();
while (iterator.hasNext()) {
    list.add(iterator.next());
return list;
...

int size = (collection == null) ? 0 : collection.size();
List<Object> result = new ArrayList<Object>(size);
if (collection != null)
    result.addAll(collection);
return result;

if (c instanceof List)
    return (List<E>) c;
ArrayList<E> o = new ArrayList<E>(c.size());
for (E e : c)
    o.add(e);
return o;

if (collection == null)
    return null;
if (collection instanceof List) {
    return (List<E>) collection;
} else {
    return new ArrayList<E>(collection);

List<String> list = new ArrayList<String>(lines.size());
for (String line : lines) {
    list.add(line);
return list;

return Collections.list(Collections.enumeration(c));

return asList(c);

return collection instanceof List ? (List<T>) collection : new ArrayList<T>(collection);