Java Utililty Methods List to Array

List of utility methods to do List to Array

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Description

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

Method

String[]toArray(List list)
Returns the given list as a String[]. 
return (String[]) list.toArray(new String[list.size()]);
String[]toArray(List list)
convert a Vector of String into a String[] 
String[] result = new String[list.size()];
list.toArray(result);
return result;
String[]toArray(List list)
Returns the given list as a String[]. 
return (String[]) list.toArray(new String[list.size()]);
Object[]toArray(List list, Object array[], int start, int end)
to Array 
return toArray(list, array, start, end, -1);
StringtoArray(List lista)
to Array 
StringBuffer sb = new StringBuffer();
sb.append("[");
for (Iterator iterator = lista.iterator(); iterator.hasNext();) {
    Object object = (Object) iterator.next();
    sb.append(object.toString());
    if (iterator.hasNext())
        sb.append(",");
sb.append("]");
return sb.toString();
Object[]toArray(List list)
list to array 
if (null == list || list.isEmpty()) {
    return null;
Object[] arr = new Object[list.size()];
for (int i = 0; i < list.size(); i++) {
    arr[i] = list.get(i);
return arr;
...
byte[]toArray(List data)
Convert a List to array of byte 
if (data == null) {
    return null;
byte[] result = new byte[data.size()];
for (int i = 0; i < data.size(); i++) {
    result[i] = data.get(i).byteValue();
return result;
...
byte[]toArray(List list)
to Array 
if (list == null) {
    return null;
byte[] array = new byte[list.size()];
int index = 0;
for (byte value : list) {
    array[index++] = value;
return array;
double[]toArray(List list)
to Array 
return list.stream().mapToDouble(Double::valueOf).toArray();
double[]toArray(List list)
Method for turning a list of doubles to an array. 
double[] values = new double[list.size()];
for (int i = 0; i < values.length; i++) {
    values[i] = list.get(i);
return values;