Java Utililty Methods Collection to String

List of utility methods to do Collection to String

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Description

The list of methods to do Collection to String are organized into topic(s).

Method

StringcollectionToCommaSeparatedString(Collection elementCollection)
Collection to comma separated string string. 
List<String> list = new ArrayList<>();
elementCollection.stream().forEach(element -> list.add(element));
return listToSeparatedString(list, ',');
StringcollectionToCommaSeparatedString(List list)
collection To Comma Separated String 
return collectionToString(list, ", ");
StringcollectionToCommaString(Collection bundleSelection)
collection To Comma String 
StringBuffer sb = new StringBuffer();
for (Iterator it = bundleSelection.iterator(); it.hasNext();) {
    if (sb.length() > 0)
        sb.append(',');
    sb.append(it.next().toString());
return sb.toString();
StringcollectionToCSString(Collection col)
Transform collection to comma split string. 
if (col == null) {
    return null;
StringBuilder sb = new StringBuilder();
for (E e : col) {
    sb.append(e).append(",");
if (sb.length() > 0) {
...
StringcollectionToDelimitedString(Iterable iterable)
collection To Delimited String 
return collectionToDelimitedString(iterable, ",");
StringcollectionToDelimitedString(Collection c, String delim)
Convenience method to return a Collection as a delimited (e.g. 
if (c == null)
    return "null";
StringBuffer sb = new StringBuffer();
Iterator itr = c.iterator();
int i = 0;
while (itr.hasNext()) {
    if (i++ > 0)
        sb.append(delim);
...
StringcollectionToDelimitedString(Collection coll, String delim)
collection To Delimited String 
return collectionToDelimitedString(coll, delim, "", "");
StringcollectionToDelimitedString(Collection coll, String delim, String prefix, String suffix)
Convenience method to return a Collection as a delimited (e.g. 
if (coll == null || coll.isEmpty()) {
    return "";
StringBuffer sb = new StringBuffer();
Iterator it = coll.iterator();
while (it.hasNext()) {
    sb.append(prefix).append(it.next()).append(suffix);
    if (it.hasNext()) {
...
StringcollectionToDelimitedString(Collection coll, String delim, String prefix, String suffix)
collection To Delimited String 
if (coll == null) {
    return "";
StringBuffer sb = new StringBuffer();
Iterator it = coll.iterator();
int i = 0;
while (it.hasNext()) {
    if (i > 0) {
...
StringcollectionToDelimitedString(Collection col, String del)
collection To Delimited String 
if (col == null || col.isEmpty()) {
    return "";
StringBuilder sb = new StringBuilder();
Iterator<?> it = col.iterator();
while (it.hasNext()) {
    sb.append(it.next());
    if (it.hasNext()) {
...