Java Utililty Methods String Split by Delimiter

s = s.trim();
if (s.isEmpty()) {
    return _emptyStringArray;
List<String> values = new ArrayList<>();
int offset = 0;
int pos = s.indexOf(delimiter, offset);
while (pos != -1) {
...

List<String> list = new ArrayList<String>();
s = trim(s);
if (s == null) {
    return list;
String[] rs = s.split(delim);
for (String str : rs)
    if (str.trim().length() > 0) {
...

Vector v = new Vector();
StringTokenizer st = new StringTokenizer(s, delim);
while (st.hasMoreTokens())
    v.addElement(st.nextToken());
String[] sa = new String[v.size()];
v.copyInto(sa);
return sa;

return Arrays.asList(s.split(","));

List<String> ret = new ArrayList<>();
if (isBlank(s)) {
    return ret;
String ss[] = s.split(delimiter);
for (String ass : ss) {
    if (isBlank(ass)) {
        continue;
...

if (s.endsWith(delimiter)) {
    s += delimiter;
ArrayList<String> al = new ArrayList<String>();
int p1 = 0, p2 = 0;
String prev = delimiter;
while ((p2 = s.indexOf(delimiter, p1)) != -1) {
    String fld = s.substring(p1, p2);
...

StringTokenizer tk = new StringTokenizer(s, delimiter);
List<String> list = new ArrayList<>();
while (tk.hasMoreTokens()) {
    list.add(tk.nextToken());
return list.toArray(new String[list.size()]);

if (src == null) {
    return EMPTY_STRING_ARRAY;
if (src.length() == 0) {
    return new String[] { ZERO_LENGTH_STRING };
ArrayList result = new ArrayList();
int idx = src.indexOf(delim);
...

return split(src, delim, 0);

if (src == null || delimiter == null || src.trim().equals("") || delimiter.equals("")) {
    return new String[] { src };
ArrayList<String> list = new ArrayList<String>();
int lengthOfDelimiter = delimiter.length();
int pos = 0;
while (true) {
    if (pos < src.length()) {
...