public static final class InternalUtils.CollectionUtils
extends java.lang.Object
| Modifier and Type | Method and Description |
|---|---|
static <T> T[] |
correctOneNullToEmpty(T[] array) |
static <T> java.util.List<T> |
correctToEmpty(java.util.List<T> list) |
static <T> T |
first(java.util.List<T> items) |
static boolean |
isEmpty(java.util.Collection<?> collection) |
static boolean |
isEmpty(java.lang.Object[] array) |
static boolean |
isEmptyEllipsis(java.lang.Object[] array) |
static boolean |
isOneNull(java.lang.Object[] array) |
static <T> T[] |
newArray(T[] reference,
int length) |
static <E> java.util.ArrayList<E> |
newArrayList() |
static <E> java.util.ArrayList<E> |
newArrayListWithCapacity(int size) |
static <K,V> java.util.HashMap<K,V> |
newHashMap() |
static <K> java.util.HashSet<K> |
newHashSet() |
static int |
size(java.util.Collection<?> collection) |
static <T> int |
size(T[] array) |
public static <T> T first(java.util.List<T> items)
public static boolean isEmpty(java.util.Collection<?> collection)
public static boolean isEmpty(java.lang.Object[] array)
public static boolean isEmptyEllipsis(java.lang.Object[] array)
public static <T> java.util.List<T> correctToEmpty(java.util.List<T> list)
public static int size(java.util.Collection<?> collection)
public static <T> int size(T[] array)
public static <E> java.util.ArrayList<E> newArrayList()
public static <E> java.util.ArrayList<E> newArrayListWithCapacity(int size)
public static <K,V> java.util.HashMap<K,V> newHashMap()
public static <K> java.util.HashSet<K> newHashSet()
public static <T> T[] correctOneNullToEmpty(T[] array)
public static boolean isOneNull(java.lang.Object[] array)
public static <T> T[] newArray(T[] reference,
int length)