Java Utililty Methods List to String

return listToString("", list, ", ", "");

String listStr = prefix;
boolean isFirst = true;
for (T element : list) {
    listStr += (isFirst ? "" : delimiter) + element.toString();
    isFirst = false;
listStr += suffix;
return listStr;
...

if (list == null || list.isEmpty())
    return null;
int size = list.size();
StringBuilder sb = new StringBuilder();
int count = 0;
for (T str : list) {
    sb.append(str.toString());
    if (count < size - 1)
...

StringBuffer buffer = new StringBuffer("\n\t< " + itemName + " >\n");
Iterator iterator = list.iterator();
for (; iterator.hasNext();) {
    buffer.append("\t\t< ").append(iterator.next().toString()).append(" >\n");
buffer.append("\t< " + itemName + " >");
return buffer.toString();

final List<String> strings = new ArrayList<String>(list.size());
for (Object o : list)
    strings.add(o.toString());
return strings;

final StringBuffer buf = new StringBuffer();
for (int i = 0; i < list.size(); i++) {
    final Object object = list.get(i);
    buf.append(object.toString());
    if (i < list.size() - 1) {
        buf.append(separtor);
return buf.toString();

return toString(list, "\t");

if (inMessages.isEmpty()) {
    return "No errors detected";
final StringBuilder builder = new StringBuilder();
Integer index = 0;
for (String msg : inMessages) {
    if (index == 0) {
        builder.append('\n');
...

final StringBuilder command = new StringBuilder();
for (Iterator<String> iterator = input.iterator(); iterator.hasNext();) {
    String fragment = iterator.next();
    command.append(fragment);
    if (iterator.hasNext()) {
        command.append(" ");
return command.toString();

final StringBuilder b = new StringBuilder();
if (list != null) {
    for (int i = 0; i < list.size(); i++) {
        b.append(list.get(i));
        if (i != list.size() - 1) {
            b.append(delimiter);
return b.toString();