public abstract class CollectionUtils
extends java.lang.Object
| Constructor and Description |
|---|
CollectionUtils() |
| Modifier and Type | Method and Description |
|---|---|
static <R,I,C extends java.util.Collection<R>> |
collect(java.lang.Iterable<? extends I> source,
C destination,
Transformer<R,I> transformer) |
static <R,I> java.util.List<R> |
collect(java.util.List<? extends I> list,
Transformer<R,I> transformer) |
static <R,I> java.util.Set<R> |
collect(java.util.Set<? extends I> set,
Transformer<R,I> transformer) |
static <T,C extends java.util.Collection<T>> |
filter(java.lang.Iterable<T> source,
C destination,
Spec<? super T> filter) |
static <T> java.util.List<T> |
filter(java.util.List<T> list,
Spec<? super T> filter) |
static <T> java.util.Set<T> |
filter(java.util.Set<T> set,
Spec<? super T> filter) |
static <T> T |
findFirst(java.lang.Iterable<T> source,
Spec<? super T> filter) |
static java.util.List<java.lang.String> |
toStringList(java.lang.Iterable<?> iterable) |
public static <T> T findFirst(java.lang.Iterable<T> source,
Spec<? super T> filter)
public static <T> java.util.Set<T> filter(java.util.Set<T> set,
Spec<? super T> filter)
public static <T> java.util.List<T> filter(java.util.List<T> list,
Spec<? super T> filter)
public static <T,C extends java.util.Collection<T>> C filter(java.lang.Iterable<T> source,
C destination,
Spec<? super T> filter)
public static <R,I> java.util.List<R> collect(java.util.List<? extends I> list,
Transformer<R,I> transformer)
public static <R,I> java.util.Set<R> collect(java.util.Set<? extends I> set,
Transformer<R,I> transformer)
public static <R,I,C extends java.util.Collection<R>> C collect(java.lang.Iterable<? extends I> source,
C destination,
Transformer<R,I> transformer)
public static java.util.List<java.lang.String> toStringList(java.lang.Iterable<?> iterable)
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