Java Utililty Methods Array to String

List of utility methods to do Array to String

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Description

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

Method

voidasStringOn(StringBuilder sb, Object[] items, String separator)
Copies the array items onto the string builder each delimited by the separator. 
if (items == null || items.length == 0) {
    return;
sb.append(items[0]);
for (int i = 1; i < items.length; i++) {
    sb.append(separator);
    sb.append(items[i]);
StringbitsToString(int[] arr)
Returns a string representing an array of 0's and 1's 
char[] s = new char[arr.length + 1];
Arrays.fill(s, '.');
s[0] = 'c';
for (int i = 0; i < arr.length; i++) {
    if (arr[i] == 1) {
        s[i + 1] = '*';
return new String(s);
StringbyteMapToString(Map map)
byte Map To String 
if (map == null)
    return null;
if (map.isEmpty()) {
    return map.toString();
String result = "[ ";
for (Map.Entry<String, byte[]> entry : map.entrySet()) {
    result += "{" + entry.getKey() + " : " + Arrays.hashCode(entry.getValue()) + "} ";
...
StringbytesToString(byte[] buffer)
bytes To String 
byte[] bytes = null;
for (int i = 0; i < buffer.length; i++) {
    if (buffer[i] == '\0') {
        bytes = Arrays.copyOfRange(buffer, 0, i);
        break;
return new String(bytes);
...
StringconvertArrayToString(double[] p)
convert Array To String 
String s = "";
for (int i = 0; i < p.length; i++) {
    s += p[i] + ";";
return s;
StringconvertArrayToString(Object param)
convert Array To String 
String ids = "";
if (param != null) {
    for (String paramValue : (String[]) param) {
        ids += paramValue + ",";
    ids = ids.replaceAll(",$", "");
return ids;
...
StringconvertArrayToString(Object[] array, String separator)
Converts an array of objects to a plain string with a given separator 
if (array == null) {
    return "";
StringBuffer result = new StringBuffer();
for (int i = 0; i < array.length; i++) {
    result.append(array[i]);
    result.append(separator);
return result.toString();
StringconvertArrayToString(Object[] ig, int count)
convert Array To String 
if (ig != null && ig.length > 0) {
    StringBuilder str = new StringBuilder("");
    for (int i = 0; i < ig.length && i < count; i++) {
        str.append(String.valueOf(ig[i])).append(",");
    return str.substring(0, str.length() - 1);
return "";
...
StringconvertArrayToString(Object[] objArr)
convert Array To String 
if (objArr == null)
    return "null";
String ret = "";
for (int i = 0; i < objArr.length; i++) {
    if (i != 0)
        ret += ",";
    ret += objArr[i];
return ret;
StringconvertArrayToString(String[] array)
converts the specified String array to a token String. 
if (array == null || array.length == 0) {
    return "";
final char token = ',';
StringBuffer result = new StringBuffer();
for (int i = 0, size = array.length; i < size; i++) {
    if (array[i] == null || array[i].length() == 0) {
        continue;
...