Package | Description |
---|---|
java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
java.util.concurrent |
Utility classes commonly useful in concurrent programming.
|
java.util.function |
Functional interfaces provide target types for lambda expressions
and method references.
|
java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
Modifier and Type | Method and Description |
---|---|
default void |
Iterable.forEach(Consumer<? super T> action)
Performs the given action for each element of the
Iterable
until all elements have been processed or the action throws an
exception. |
Modifier and Type | Method and Description |
---|---|
void |
ArrayList.forEach(Consumer<? super E> action) |
void |
Vector.forEach(Consumer<? super E> action) |
default void |
PrimitiveIterator.OfDouble.forEachRemaining(Consumer<? super Double> action)
Performs the given action for each remaining element until all elements
have been processed or the action throws an exception.
|
default void |
Spliterator.OfDouble.forEachRemaining(Consumer<? super Double> action)
Performs the given action for each remaining element, sequentially in
the current thread, until all elements have been processed or the action
throws an exception.
|
default void |
Iterator.forEachRemaining(Consumer<? super E> action)
Performs the given action for each remaining element until all elements
have been processed or the action throws an exception.
|
default void |
PrimitiveIterator.OfInt.forEachRemaining(Consumer<? super Integer> action)
Performs the given action for each remaining element until all elements
have been processed or the action throws an exception.
|
default void |
Spliterator.OfInt.forEachRemaining(Consumer<? super Integer> action)
Performs the given action for each remaining element, sequentially in
the current thread, until all elements have been processed or the action
throws an exception.
|
default void |
PrimitiveIterator.OfLong.forEachRemaining(Consumer<? super Long> action)
Performs the given action for each remaining element until all elements
have been processed or the action throws an exception.
|
default void |
Spliterator.OfLong.forEachRemaining(Consumer<? super Long> action)
Performs the given action for each remaining element, sequentially in
the current thread, until all elements have been processed or the action
throws an exception.
|
default void |
Spliterator.forEachRemaining(Consumer<? super T> action)
Performs the given action for each remaining element, sequentially in
the current thread, until all elements have been processed or the action
throws an exception.
|
void |
Optional.ifPresent(Consumer<? super T> consumer)
If a value is present, invoke the specified consumer with the value,
otherwise do nothing.
|
default boolean |
Spliterator.OfDouble.tryAdvance(Consumer<? super Double> action)
If a remaining element exists, performs the given action on it,
returning
true ; else returns false . |
default boolean |
Spliterator.OfInt.tryAdvance(Consumer<? super Integer> action)
If a remaining element exists, performs the given action on it,
returning
true ; else returns false . |
default boolean |
Spliterator.OfLong.tryAdvance(Consumer<? super Long> action)
If a remaining element exists, performs the given action on it,
returning
true ; else returns false . |
boolean |
Spliterator.tryAdvance(Consumer<? super T> action)
If a remaining element exists, performs the given action on it,
returning
true ; else returns false . |
Modifier and Type | Method and Description |
---|---|
CompletableFuture<Void> |
CompletableFuture.acceptEither(CompletionStage<? extends T> other,
Consumer<? super T> action) |
CompletionStage<Void> |
CompletionStage.acceptEither(CompletionStage<? extends T> other,
Consumer<? super T> action)
Returns a new CompletionStage that, when either this or the
other given stage complete normally, is executed with the
corresponding result as argument to the supplied action.
|
CompletableFuture<Void> |
CompletableFuture.acceptEitherAsync(CompletionStage<? extends T> other,
Consumer<? super T> action) |
CompletionStage<Void> |
CompletionStage.acceptEitherAsync(CompletionStage<? extends T> other,
Consumer<? super T> action)
Returns a new CompletionStage that, when either this or the
other given stage complete normally, is executed using this
stage's default asynchronous execution facility, with the
corresponding result as argument to the supplied action.
|
CompletableFuture<Void> |
CompletableFuture.acceptEitherAsync(CompletionStage<? extends T> other,
Consumer<? super T> action,
Executor executor) |
CompletionStage<Void> |
CompletionStage.acceptEitherAsync(CompletionStage<? extends T> other,
Consumer<? super T> action,
Executor executor)
Returns a new CompletionStage that, when either this or the
other given stage complete normally, is executed using the
supplied executor, with the corresponding result as argument to
the supplied function.
|
void |
CopyOnWriteArraySet.forEach(Consumer<? super E> action) |
void |
CopyOnWriteArrayList.forEach(Consumer<? super E> action) |
void |
ConcurrentHashMap.KeySetView.forEach(Consumer<? super K> action) |
<U> void |
ConcurrentHashMap.forEach(long parallelismThreshold,
BiFunction<? super K,? super V,? extends U> transformer,
Consumer<? super U> action)
Performs the given action for each non-null transformation
of each (key, value).
|
void |
ConcurrentHashMap.forEachEntry(long parallelismThreshold,
Consumer<? super Map.Entry<K,V>> action)
Performs the given action for each entry.
|
<U> void |
ConcurrentHashMap.forEachEntry(long parallelismThreshold,
Function<Map.Entry<K,V>,? extends U> transformer,
Consumer<? super U> action)
Performs the given action for each non-null transformation
of each entry.
|
void |
ConcurrentHashMap.forEachKey(long parallelismThreshold,
Consumer<? super K> action)
Performs the given action for each key.
|
<U> void |
ConcurrentHashMap.forEachKey(long parallelismThreshold,
Function<? super K,? extends U> transformer,
Consumer<? super U> action)
Performs the given action for each non-null transformation
of each key.
|
void |
ConcurrentHashMap.forEachValue(long parallelismThreshold,
Consumer<? super V> action)
Performs the given action for each value.
|
<U> void |
ConcurrentHashMap.forEachValue(long parallelismThreshold,
Function<? super V,? extends U> transformer,
Consumer<? super U> action)
Performs the given action for each non-null transformation
of each value.
|
CompletableFuture<Void> |
CompletableFuture.thenAccept(Consumer<? super T> action) |
CompletionStage<Void> |
CompletionStage.thenAccept(Consumer<? super T> action)
Returns a new CompletionStage that, when this stage completes
normally, is executed with this stage's result as the argument
to the supplied action.
|
CompletableFuture<Void> |
CompletableFuture.thenAcceptAsync(Consumer<? super T> action) |
CompletionStage<Void> |
CompletionStage.thenAcceptAsync(Consumer<? super T> action)
Returns a new CompletionStage that, when this stage completes
normally, is executed using this stage's default asynchronous
execution facility, with this stage's result as the argument to
the supplied action.
|
CompletableFuture<Void> |
CompletableFuture.thenAcceptAsync(Consumer<? super T> action,
Executor executor) |
CompletionStage<Void> |
CompletionStage.thenAcceptAsync(Consumer<? super T> action,
Executor executor)
Returns a new CompletionStage that, when this stage completes
normally, is executed using the supplied Executor, with this
stage's result as the argument to the supplied action.
|
Modifier and Type | Method and Description |
---|---|
default Consumer<T> |
Consumer.andThen(Consumer<? super T> after)
Returns a composed
Consumer that performs, in sequence, this
operation followed by the after operation. |
Modifier and Type | Method and Description |
---|---|
default Consumer<T> |
Consumer.andThen(Consumer<? super T> after)
Returns a composed
Consumer that performs, in sequence, this
operation followed by the after operation. |
Modifier and Type | Interface and Description |
---|---|
static interface |
Stream.Builder<T>
A mutable builder for a
Stream . |
Modifier and Type | Method and Description |
---|---|
void |
Stream.forEach(Consumer<? super T> action)
Performs an action for each element of this stream.
|
void |
Stream.forEachOrdered(Consumer<? super T> action)
Performs an action for each element of this stream, in the encounter
order of the stream if the stream has a defined encounter order.
|
Stream<T> |
Stream.peek(Consumer<? super T> action)
Returns a stream consisting of the elements of this stream, additionally
performing the provided action on each element as elements are consumed
from the resulting stream.
|
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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