Java Utililty Methods CSV String Split

ArrayList<String> fields = new ArrayList<String>();
StringBuilder sb = new StringBuilder();
int state = 0;
char c;
for (int i = 0; i < csvLine.length(); i++) {
    c = csvLine.charAt(i);
    switch (state) {
    case 0:
...

ArrayList<String> arraylist = new ArrayList<String>();
boolean flag = false;
boolean flag1 = true;
StringBuffer stringbuffer = new StringBuffer();
for (int i = 0; i < s.length(); i++) {
    char c = s.charAt(i);
    if (c <= ' ')
        flag = true;
...

ArrayList<String> arraylist = new ArrayList<String>();
StringBuffer stringbuffer = new StringBuffer();
int i = -1;
int j = 0;
for (int k = charsequence.length(); j < k; j++) {
    char c = charsequence.charAt(j);
    if (c == ',') {
        if (stringbuffer.length() > 0) {
...

ArrayList<String[]> contents = new ArrayList<>();
String[] lines = numpyString.split("\n");
for (int i = 0; i < lines.length; i++) {
    contents.add(lines[i].split(","));
return contents;

List<String> values = delimitedStringToList(line, ",");
return values;

List<String> values = new ArrayList<String>();
String[] splitString = csvString.split(",");
for (String value : splitString) {
    values.add(value.trim());
return values;

ArrayList<Integer> list = new ArrayList<Integer>();
csv = csv.trim();
if (csv.length() == 0) {
    return list;
try {
    for (String s : csv.split(",")) {
        s = s.trim();
...

ArrayList<String> stringList = new ArrayList<String>();
String tempString;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < inputString.length(); i++) {
    if (inputString.charAt(i) == '"') {
        i++;
        while (i < inputString.length()) {
            if (inputString.charAt(i) == '"' && inputString.charAt(i + 1) == '"') 
...

java.util.ArrayList<String> DynStrs = new java.util.ArrayList<String>();
char ch;
int lastbreak = 0;
String temp;
for (int i = 0; i < str.length(); i++) {
    ch = str.charAt(i);
    if (ch == 34) {
        if (str.charAt(i + 1) == 34) {
...

ArrayList<String> split = new ArrayList<String>();
int i = 0;
int quotes = 0;
int index = str.indexOf(",");
int start = 0;
int stop = str.length();
while (index != -1) {
    String temp = str.substring(0, index); 
...