public class CollectionUtils
extends java.lang.Object
| Constructor and Description |
|---|
CollectionUtils() |
| Modifier and Type | Method and Description |
|---|---|
static <T> java.util.List<T> |
collectOptional(java.util.Optional<T>... optionals) |
static <T> java.util.List<T> |
flatten(java.util.List<T>... lists) |
static <T> java.util.List<T> |
immutableList(T... elements) |
static <T> boolean |
isEmpty(java.util.Collection<T> c) |
public static <T> boolean isEmpty(java.util.Collection<T> c)
public static <T> java.util.List<T> immutableList(T... elements)
public static <T> java.util.List<T> collectOptional(java.util.Optional<T>... optionals)
public static <T> java.util.List<T> flatten(java.util.List<T>... lists)