Java Utililty Methods List from Array

List of utility methods to do List from Array

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Description

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

Method

ArrayList array2ArrayList(final T[] array)
Converts an array to the appropriate ArrayList
if ((array == null) || (array.length == 0)) {
 return new ArrayList<T>();
final List<T> list = Arrays.asList(array);
return new ArrayList<T>(list);
List array2List(Object[] obj)
Converts an Object[] to a List.
ArrayList list = new ArrayList();
if (obj != null) {
 for (int i = 0; i < obj.length; i++) {
 list.add(obj[i]);
return (list);
List array2list(String[] array)
arraylist
List<String> list = new ArrayList<>(array.length);
for (String value : array) {
 list.add(value);
return list;
List array2List(T... array)
Convert array to List Example: List stooges = ArrayUtil.array2List("Larry", "Moe", "Curly");
return Arrays.asList(array);
ArrayList arrayAsArrayList(E... elements)
array As Array List
if (elements == null) {
 throw new NullPointerException("elements");
return new ArrayList<>(Arrays.asList(elements));
List arrayAsList(Object value)
Transforms any array to a matching list
List list = null;
if (value instanceof int[]) {
 list = new ArrayList();
 int[] array = (int[]) value;
 for (int i : array) {
 list.add(i);
} else if (value instanceof short[]) {
...
List arrayAsList(Object[] array)
Replacement for Arrays.asList(..) which gacks on null and returns a List in which remove is an unsupported operation.
if ((null == array) || (1 > array.length)) {
 return Collections.emptyList();
ArrayList<Object> list = new ArrayList<Object>();
list.addAll(Arrays.asList(array));
return list;
List arrayAsListCopy(T... array)
array As List Copy
List<T> list = new ArrayList<>();
list.addAll(Arrays.asList(array));
return list;
List arrayAsListEmptyIfNull(T[] array)
array As List Empty If Null
return array == null ? Collections.<T>emptyList() : Arrays.asList(array);
boolean arrayContainsValue(final String[] list, final String value)
array Contains Value
final List<String> valuesList = Arrays.asList(list);
return valuesList.contains(value);


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