Java Utililty Methods List Sort

for (int i = 0; i < l.size(); i++) {
    for (int j = 0; j < l.size() - 1; j++) {
        String k1 = (String) l.get(j);
        int k = j + 1;
        String k2 = (String) l.get(k);
        String i1 = k1.substring(k1.indexOf(":") + 1, k1.indexOf("_"));
        String i2 = k2.substring(k2.indexOf(":") + 1, k2.indexOf("_"));
        if (Integer.decode(i1).intValue() > Integer.decode(i2).intValue()) {
...

boolean topItemIn = items.contains(putOnTop);
Collections.sort(items);
if (topItemIn) {
    items.remove(putOnTop);
    items.add(0, putOnTop);

Object[] a = list.toArray();
Arrays.sort(a);
list.clear();
for (int i = 0; i < a.length; i++)
    list.add(a[i]);
return list;

ArrayList<T> ret = new ArrayList<T>();
ret.addAll(list);
Collections.sort(ret);
return ret;

try {
    java.util.Collections.sort(types); 
} catch (Exception e) {
return types;

Collections.sort(list, new Comparator() {
    public int compare(Object o1, Object o2) {
        Object[] oo1 = (Object[]) o1;
        Object[] oo2 = (Object[]) o2;
        return (((String) oo1[0]).compareTo((String) oo2[0]));
});
return list;
...

Collections.sort(items, String.CASE_INSENSITIVE_ORDER);

if (list == null) {
    return list;
list.sort((T a, T b) -> {
    if (asc) {
        return a.compareTo(b);
    } else {
        return b.compareTo(a);
...

Collections.sort(list, new Comparator() {
    public int compare(Object a, Object b) {
        String textA = a.toString();
        String textB = b.toString();
        return textA.compareToIgnoreCase(textB);
});

Collections.sort(list, new Comparator<Map<String, Object>>() {
    @Override
    public int compare(Map<String, Object> o1, Map<String, Object> o2) {
        String name = o1.get("key").toString();
        String _name = o2.get("key").toString();
        int n1 = name.length(), n2 = _name.length();
        for (int i1 = 0, i2 = 0; i1 < n1 && i2 < n2; i1++, i2++) {
            char c1 = name.charAt(i1);
...