Java Utililty Methods Array to Delimited String

List of utility methods to do Array to Delimited String

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Description

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

Method

StringarrayAsCommaSeperatedList(String... items)
array As Comma Seperated List 
String result = items[0];
for (int i = 1; i < items.length; i++) {
    result += "," + items[i];
return result;
StringarrayAsString(final int[] _intArray)
Utility method (debug/test): Trivial helper function for quick trace output. 
String strArray = "";
for (int i = 0; i < _intArray.length; i++)
    strArray += _intArray[i] + " ";
return strArray;
StringarrayToCommaDelimitedString(Object[] arr)
Convenience method to return a String array as a CSV String. 
return arrayToDelimitedString(arr, ",");
StringarrayToCommaDelimitedString(Object[] arr)
array To Comma Delimited String 
return arrayToDelimitedString(arr, ",");
StringarrayToCommaDelimitedString(Object[] strings)
Turns this string array in one comma-delimited string. 
if (strings == null) {
    return "";
StringBuilder builder = new StringBuilder();
for (int i = 0; i < strings.length; i++) {
    if (i > 0) {
        builder.append(",");
    builder.append(String.valueOf(strings[i]));
return builder.toString();
StringarrayToCommaSeparatedString(int[] array)
array To Comma Separated String 
if (array == null) {
    return null;
StringBuffer result = new StringBuffer();
for (int i = 0; i < array.length; i++) {
    result.append(array[i] + (i == array.length - 1 ? "" : ", "));
return result.toString();
...
StringarrayToCommaString(int[] array)
array To Comma String 
StringBuffer sb = new StringBuffer();
for (int i = array.length - 1; i >= 0; i--) {
    if (array[i] == 0) {
        continue;
    sb.append(array[i]);
    sb.append(i == 0 ? "" : ",");
return sb.toString();
StringarrayToCommaString(int[] array)
array To Comma String 
StringBuffer sb = new StringBuffer();
for (int i = array.length - 1; i >= 0; i--) {
    if (array[i] == 0) {
        continue;
    sb.append(array[i]);
    sb.append(i == 0 ? "" : ",");
return sb.toString();
StringarrayToDelimitedString(Object[] arr, String delim)
array To Delimited String 
if (arr == null || arr.length == 0) {
    return "";
StringBuffer sb = new StringBuffer();
for (int i = 0; i < arr.length; i++) {
    if (i > 0) {
        sb.append(delim);
    sb.append('\'');
    sb.append(arr[i]);
    sb.append('\'');
return sb.toString();
StringarrayToDelimitedString(Object[] arr, String delim)
Convenience method to return a String array as a delimited (e.g. 
if (arr == null)
    return "null";
else {
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < arr.length; i++) {
        if (i > 0)
            sb.append(delim);
        sb.append(arr[i]);
...