Java Utililty Methods Collection to String

List<String> result = new ArrayList<String>(enums.size());
for (Enum<?> value : enums) {
    result.add(value.name());
return result;

String stringOfList = "";
if (list != null) {
    StringBuffer sb = new StringBuffer();
    boolean firstTime = true;
    for (T item : list) {
        if (firstTime) {
            sb.append(item);
            firstTime = false;
...

StringBuilder builder = new StringBuilder();
for (String string : strings)
    builder.append(string).append(",");
return builder.toString();

StringBuilder sb = new StringBuilder("");
for (String s : collectionString) {
    if (sb.length() != 0) {
        sb.append(delemeter);
    sb.append(s);
return sb.toString();
...

if (value.size() == 0) {
    return "";
StringBuilder sb = new StringBuilder();
for (String v : value) {
    sb.append(v);
    sb.append(separator);
sb.setLength(sb.length() - separator.length());
return sb.toString();

StringBuilder sb = new StringBuilder();
for (Object i : ss) {
    sb.append(i).append(',');
return sb.toString();

String str = "[";
boolean isNotFirst = false;
for (Object object : objects) {
    if (isNotFirst) {
        str += ", ";
    str += object;
    isNotFirst = true;
...

return listToString(aList, aDelimiter, quoteEntries, '"');

StringBuilder out = new StringBuilder();
out.append("[");
for (Object o : collection) {
    out.append(String.format("%s ", o));
out.append("]");
return out.toString();

StringBuilder s = new StringBuilder();
if (l.size() == 0) {
    return "";
for (Object o : l) {
    s.append(o).append(delim);
s.delete(s.length() - delim.length(), s.length());
...