public class CollectionUtils
extends java.lang.Object
| Constructor and Description |
|---|
CollectionUtils() |
| Modifier and Type | Method and Description |
|---|---|
static <T,R> java.util.List<R> |
apply(java.util.List<T> list,
java.util.function.Function<T,R> mapper) |
static java.lang.Iterable<java.lang.String> |
asIterable(java.util.regex.Pattern pattern,
java.lang.String string) |
static <T,U> java.util.Map<T,U> |
concatMaps(java.util.Map<? extends T,? extends U> map1,
java.util.Map<? extends T,? extends U> map2) |
static int |
random(int size) |
static <T> T |
random(java.util.List<T> list) |
static <T> T |
random(java.util.List<T> list,
java.util.Random random) |
static <T> T |
random(T[] array) |
static <T> T |
random(T[] array,
java.util.Random random) |
static <T> java.util.Comparator<T> |
randomOrder() |
static <T> java.util.List<T> |
subListOn(java.util.List<T> list,
java.util.function.Predicate<T> predicate) |
static <T> java.lang.String |
toString(java.util.Collection<T> collection,
java.util.function.Function<T,java.lang.String> toString,
java.lang.String join) |
public static <T,R> java.util.List<R> apply(java.util.List<T> list,
java.util.function.Function<T,R> mapper)
public static java.lang.Iterable<java.lang.String> asIterable(java.util.regex.Pattern pattern,
java.lang.String string)
public static <T> java.util.Comparator<T> randomOrder()
public static <T,U> java.util.Map<T,U> concatMaps(java.util.Map<? extends T,? extends U> map1,
java.util.Map<? extends T,? extends U> map2)
public static <T> T random(java.util.List<T> list,
java.util.Random random)
public static <T> T random(T[] array,
java.util.Random random)
public static <T> T random(java.util.List<T> list)
public static <T> T random(T[] array)
public static int random(int size)
public static <T> java.util.List<T> subListOn(java.util.List<T> list,
java.util.function.Predicate<T> predicate)
public static <T> java.lang.String toString(java.util.Collection<T> collection,
java.util.function.Function<T,java.lang.String> toString,
java.lang.String join)