Java Utililty Methods Long Number Array to String

List of utility methods to do Long Number Array to String

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Description

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

Method

StringconvertLongArrayToString(Long[] longArray)
Method to create the comma separated String for the array of Long Values 
String csvString = "";
if (longArray != null && (longArray.length) > 0) {
    for (int i = 0; i < longArray.length; i++) {
        if (longArray[i] == null || longArray[i] == 0) {
            csvString += (i) + COMMA_SEPARATOR;
if (csvString.length() > 0) {
    return csvString;
} else {
    return BLANK_STRING;
StringconvertLongArrayToString(long[] value, String separator)
convert Long Array To String 
if (value.length == 0) {
    return "";
StringBuilder sb = new StringBuilder();
for (long v : value) {
    sb.append(v);
    sb.append(separator);
sb.setLength(sb.length() - separator.length());
return sb.toString();
StringlongArrayAsString(long[] a)
long Array As String 
if (null == a)
    return null;
int len = a.length;
StringBuffer pcs = new StringBuffer(0 < len ? "[" + a[0] : "[");
for (int i = 1; i < len; i++)
    pcs.append(", " + a[i]);
pcs.append(']');
return pcs.toString();
...
StringlongArrayToString(int startIndex, long[] chars)
long Array To String 
final byte[] bytes = new byte[chars.length - startIndex];
for (int from = startIndex, to = 0; to < bytes.length; from++, to++) {
    bytes[to] = (byte) (chars[from] & BYTE_MASK);
return new String(bytes);
StringlongArrayToString(long[] longs)
long Array To String 
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < longs.length; i++) {
    buffer.append(longs[i]).append(" ");
return buffer.toString();