Java Utililty Methods Array to CSV

String ArrayToCsv(Object[] line)
Array To Csv

StringBuilder csvLine = new StringBuilder();
for (Object obj : line) {
 csvLine.append(obj.toString()).append(",");
csvLine.setCharAt(csvLine.length() - 1, '\n');
return csvLine.toString();

String ArrayToCSV(String[] array)
Array To CSV

StringBuilder sb = new StringBuilder();
for (int i = 0; i < array.length; i++) {
 String string = array[i];
 if (i == 0)
 sb.append(string);
 else
 sb.append("," + string);
return sb.toString();

String arrayToCsvString(String[] array, char delimiter)
Utility method to convert a String array to CSV/TSV row string.

StringBuilder arrayString = new StringBuilder();
for (String arrayElement : array) {
 arrayString.append(arrayElement);
 arrayString.append(delimiter);
return arrayString.toString();

String toCSV(double[] as)
to CSV

StringBuilder b = new StringBuilder();
for (int i = 0; i < as.length - 1; i++) {
 b.append(as[i]);
 b.append(",");
b.append(as[as.length - 1]);
return b.toString();

String toCSV(int[][] values)
to CSV

String vs[][] = new String[values.length][];
for (int i = 0; i < values.length; i++) {
 vs[i] = new String[values[i].length];
 for (int j = 0; j < values[i].length; j++) {
 vs[i][j] = "" + values[i][j];
return toCSV(vs);
...

String toCSV(Object[] objs)
to CSV

return toCSV(objs, false);

String toCSVString(String[] strArray)
to CSV String

if (strArray == null)
 return null;
StringBuilder sb = new StringBuilder();
for (Iterator<String> itr = Arrays.asList(strArray).iterator(); itr.hasNext();) {
 String s = itr.next();
 sb.append(s);
 if (itr.hasNext())
 sb.append(",");
...