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

ListasList(String... args)
as List 
if (args == null)
    return null;
List<String> list = new ArrayList<String>();
for (String arg : args) {
    list.add(arg);
return list;
ListasList(String... strings)
Returns from a variable number of String parameters a List<String> 
List<String> listOfStrings = new ArrayList<>(strings.length);
for (int i = 0; i < strings.length; i++) {
    listOfStrings.add(strings[i]);
return listOfStrings;
ListasList(T element)
as List 
return Collections.singletonList(element);
ListasList(T firstItem, T... otherItems)
as List 
List<T> list = new ArrayList<>(otherItems.length + 1);
list.add(firstItem);
Collections.addAll(list, otherItems);
return list;
ListasList(T... a)
as List 
if (a == null) {
    return new ArrayList<T>();
ArrayList<T> list = new ArrayList<T>(a.length);
list.addAll(Arrays.asList(a));
return list;
ArrayListasList(T... a)
Return an ArrayList with the passed array or elements as the initial contents. 
ArrayList<T> result = new ArrayList<T>();
for (T t : a) {
    result.add(t);
return result;
ListasList(T... a)
as List 
List<T> rtn = null;
if (a != null) {
    rtn = Arrays.asList(a);
return rtn;
ListasList(T... a)
Returns a list backed by the specified array. 
ArrayList<T> list = new ArrayList<T>();
for (T elem : a)
    list.add(elem);
return list;
ListasList(T... args)
as List 
if (args == null || args.length == 0) {
    return Collections.emptyList();
} else {
    return Arrays.asList(args);
ListasList(T... args)
Null-safe version of java.util.Arrays#asList(Object[]) 
return args == null ? null : Arrays.asList(args);