public class CollectionUtils
extends java.lang.Object
| Constructor and Description |
|---|
CollectionUtils() |
| Modifier and Type | Method and Description |
|---|---|
static java.util.List<java.lang.String> |
asStringList(java.lang.Object... elements) |
static <T> java.util.List<T> |
collectOptional(java.util.Optional<T>... optionals) |
static boolean |
containsAny(java.util.Collection<?> coll1,
java.util.Collection<?> coll2) |
static <T> java.util.List<T> |
flatten(java.util.List<java.util.List<T>> lists) |
static <T> java.util.List<T> |
immutableList(T... elements) |
static <T> java.util.Set<T> |
intersection(java.util.Collection<T> c1,
java.util.Collection<T> c2) |
static <T> boolean |
isEmpty(java.util.Collection<T> c) |
static <T extends java.lang.Comparable<? super T>> |
toSorted(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 java.util.List<java.lang.String> asStringList(java.lang.Object... elements)
public static <T> java.util.List<T> flatten(java.util.List<java.util.List<T>> lists)
public static <T extends java.lang.Comparable<? super T>> java.util.List<T> toSorted(java.util.Collection<T> c)
public static boolean containsAny(java.util.Collection<?> coll1,
java.util.Collection<?> coll2)
public static <T> java.util.Set<T> intersection(java.util.Collection<T> c1,
java.util.Collection<T> c2)