Uses of Interface
java.util.stream.Stream
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Packages that use Stream Package Description java.io Provides for system input and output through data streams, serialization and the file system.java.lang Provides classes that are fundamental to the design of the Java programming language.java.lang.module Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.java.net Provides the classes for implementing networking applications.java.net.http HTTP Client and WebSocket APIsjava.nio.file Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.java.security Provides the classes and interfaces for the security framework.java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java™ programming language.java.time The main API for dates, times, instants, and durations.java.util Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.java.util.jar Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.java.util.regex Classes for matching character sequences against patterns specified by regular expressions.java.util.stream Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.java.util.zip Provides classes for reading and writing the standard ZIP and GZIP file formats.javax.xml.catalog Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005. -
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Uses of Stream in java.io
Methods in java.io that return Stream Modifier and Type Method Description Stream<String>
BufferedReader. lines()
Returns aStream
, the elements of which are lines read from thisBufferedReader
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Uses of Stream in java.lang
Methods in java.lang that return Stream Modifier and Type Method Description static Stream<ProcessHandle>
ProcessHandle. allProcesses()
Returns a snapshot of all processes visible to the current process.Stream<ProcessHandle>
Process. children()
Returns a snapshot of the direct children of the process.Stream<ProcessHandle>
ProcessHandle. children()
Returns a snapshot of the current direct children of the process.Stream<ProcessHandle>
Process. descendants()
Returns a snapshot of the descendants of the process.Stream<ProcessHandle>
ProcessHandle. descendants()
Returns a snapshot of the descendants of the process.Stream<String>
String. lines()
Returns a stream of substrings extracted from this string partitioned by line terminators.Stream<URL>
ClassLoader. resources(String name)
Returns a stream whose elements are the URLs of all the resources with the given name.Method parameters in java.lang with type arguments of type Stream Modifier and Type Method Description <T> T
StackWalker. walk(Function<? super Stream<StackWalker.StackFrame>,? extends T> function)
Applies the given function to the stream ofStackFrame
s for the current thread, traversing from the top frame of the stack, which is the method calling thiswalk
method. -
Uses of Stream in java.lang.module
Methods in java.lang.module that return Stream Modifier and Type Method Description Stream<String>
ModuleReader. list()
Lists the contents of the module, returning a stream of elements that are the names of all resources in the module. -
Uses of Stream in java.net
Methods in java.net that return Stream Modifier and Type Method Description Stream<InetAddress>
NetworkInterface. inetAddresses()
Get a Stream of all or a subset of the InetAddresses bound to this network interface.static Stream<NetworkInterface>
NetworkInterface. networkInterfaces()
Returns aStream
of all the interfaces on this machine.Stream<NetworkInterface>
NetworkInterface. subInterfaces()
Get a Stream of all subinterfaces (also known as virtual interfaces) attached to this network interface. -
Uses of Stream in java.net.http
Methods in java.net.http that return types with arguments of type Stream Modifier and Type Method Description static HttpResponse.BodyHandler<Stream<String>>
HttpResponse.BodyHandlers. ofLines()
Returns aBodyHandler<Stream<String>>
that returns aBodySubscriber
<Stream<String>>
obtained fromBodySubscribers.ofLines(charset)
.static HttpResponse.BodySubscriber<Stream<String>>
HttpResponse.BodySubscribers. ofLines(Charset charset)
Returns aBodySubscriber
which streams the response body as aStream
, where each string in the stream corresponds to a line as defined byBufferedReader.lines()
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Uses of Stream in java.nio.file
Methods in java.nio.file that return Stream Modifier and Type Method Description static Stream<Path>
Files. find(Path start, int maxDepth, BiPredicate<Path,BasicFileAttributes> matcher, FileVisitOption... options)
Return aStream
that is lazily populated withPath
by searching for files in a file tree rooted at a given starting file.static Stream<String>
Files. lines(Path path)
Read all lines from a file as aStream
.static Stream<String>
Files. lines(Path path, Charset cs)
Read all lines from a file as aStream
.static Stream<Path>
Files. list(Path dir)
Return a lazily populatedStream
, the elements of which are the entries in the directory.static Stream<Path>
Files. walk(Path start, int maxDepth, FileVisitOption... options)
Return aStream
that is lazily populated withPath
by walking the file tree rooted at a given starting file.static Stream<Path>
Files. walk(Path start, FileVisitOption... options)
Return aStream
that is lazily populated withPath
by walking the file tree rooted at a given starting file. -
Uses of Stream in java.security
Methods in java.security that return Stream Modifier and Type Method Description Stream<Permission>
PermissionCollection. elementsAsStream()
Returns a stream of all the Permission objects in the collection. -
Uses of Stream in java.sql
Methods in java.sql that return Stream Modifier and Type Method Description static Stream<Driver>
DriverManager. drivers()
Retrieves a Stream with all of the currently loaded JDBC drivers to which the current caller has access. -
Uses of Stream in java.time
Methods in java.time that return Stream Modifier and Type Method Description Stream<LocalDate>
LocalDate. datesUntil(LocalDate endExclusive)
Returns a sequential ordered stream of dates.Stream<LocalDate>
LocalDate. datesUntil(LocalDate endExclusive, Period step)
Returns a sequential ordered stream of dates by given incremental step. -
Uses of Stream in java.util
Methods in java.util that return Stream Modifier and Type Method Description Stream<MatchResult>
Scanner. findAll(String patString)
Returns a stream of match results that match the provided pattern string.Stream<MatchResult>
Scanner. findAll(Pattern pattern)
Returns a stream of match results from this scanner.default Stream<E>
Collection. parallelStream()
Returns a possibly parallelStream
with this collection as its source.static <T> Stream<T>
Arrays. stream(T[] array)
Returns a sequentialStream
with the specified array as its source.static <T> Stream<T>
Arrays. stream(T[] array, int startInclusive, int endExclusive)
Returns a sequentialStream
with the specified range of the specified array as its source.default Stream<E>
Collection. stream()
Returns a sequentialStream
with this collection as its source.Stream<T>
Optional. stream()
If a value is present, returns a sequentialStream
containing only that value, otherwise returns an emptyStream
.Stream<ServiceLoader.Provider<S>>
ServiceLoader. stream()
Returns a stream to lazily load available providers of this loader's service.Stream<String>
Scanner. tokens()
Returns a stream of delimiter-separated tokens from this scanner. -
Uses of Stream in java.util.jar
Methods in java.util.jar that return Stream Modifier and Type Method Description Stream<JarEntry>
JarFile. stream()
Returns an orderedStream
over the jar file entries.Stream<JarEntry>
JarFile. versionedStream()
Returns aStream
of the versioned jar file entries. -
Uses of Stream in java.util.regex
Methods in java.util.regex that return Stream Modifier and Type Method Description Stream<MatchResult>
Matcher. results()
Returns a stream of match results for each subsequence of the input sequence that matches the pattern.Stream<String>
Pattern. splitAsStream(CharSequence input)
Creates a stream from the given input sequence around matches of this pattern. -
Uses of Stream in java.util.stream
Methods in java.util.stream that return Stream Modifier and Type Method Description Stream<Double>
DoubleStream. boxed()
Returns aStream
consisting of the elements of this stream, boxed toDouble
.Stream<Integer>
IntStream. boxed()
Returns aStream
consisting of the elements of this stream, each boxed to anInteger
.Stream<Long>
LongStream. boxed()
Returns aStream
consisting of the elements of this stream, each boxed to aLong
.Stream<T>
Stream.Builder. build()
Builds the stream, transitioning this builder to the built state.static <T> Stream<T>
Stream. concat(Stream<? extends T> a, Stream<? extends T> b)
Creates a lazily concatenated stream whose elements are all the elements of the first stream followed by all the elements of the second stream.Stream<T>
Stream. distinct()
Returns a stream consisting of the distinct elements (according toObject.equals(Object)
) of this stream.default Stream<T>
Stream. dropWhile(Predicate<? super T> predicate)
Returns, if this stream is ordered, a stream consisting of the remaining elements of this stream after dropping the longest prefix of elements that match the given predicate.static <T> Stream<T>
Stream. empty()
Returns an empty sequentialStream
.Stream<T>
Stream. filter(Predicate<? super T> predicate)
Returns a stream consisting of the elements of this stream that match the given predicate.<R> Stream<R>
Stream. flatMap(Function<? super T,? extends Stream<? extends R>> mapper)
Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.static <T> Stream<T>
Stream. generate(Supplier<? extends T> s)
Returns an infinite sequential unordered stream where each element is generated by the providedSupplier
.static <T> Stream<T>
Stream. iterate(T seed, Predicate<? super T> hasNext, UnaryOperator<T> next)
Returns a sequential orderedStream
produced by iterative application of the givennext
function to an initial element, conditioned on satisfying the givenhasNext
predicate.static <T> Stream<T>
Stream. iterate(T seed, UnaryOperator<T> f)
Returns an infinite sequential orderedStream
produced by iterative application of a functionf
to an initial elementseed
, producing aStream
consisting ofseed
,f(seed)
,f(f(seed))
, etc.Stream<T>
Stream. limit(long maxSize)
Returns a stream consisting of the elements of this stream, truncated to be no longer thanmaxSize
in length.<R> Stream<R>
Stream. map(Function<? super T,? extends R> mapper)
Returns a stream consisting of the results of applying the given function to the elements of this stream.<U> Stream<U>
DoubleStream. mapToObj(DoubleFunction<? extends U> mapper)
Returns an object-valuedStream
consisting of the results of applying the given function to the elements of this stream.<U> Stream<U>
IntStream. mapToObj(IntFunction<? extends U> mapper)
Returns an object-valuedStream
consisting of the results of applying the given function to the elements of this stream.<U> Stream<U>
LongStream. mapToObj(LongFunction<? extends U> mapper)
Returns an object-valuedStream
consisting of the results of applying the given function to the elements of this stream.static <T> Stream<T>
Stream. of(T t)
Returns a sequentialStream
containing a single element.static <T> Stream<T>
Stream. of(T... values)
Returns a sequential ordered stream whose elements are the specified values.static <T> Stream<T>
Stream. ofNullable(T t)
Returns a sequentialStream
containing a single element, if non-null, otherwise returns an emptyStream
.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.Stream<T>
Stream. skip(long n)
Returns a stream consisting of the remaining elements of this stream after discarding the firstn
elements of the stream.Stream<T>
Stream. sorted()
Returns a stream consisting of the elements of this stream, sorted according to natural order.Stream<T>
Stream. sorted(Comparator<? super T> comparator)
Returns a stream consisting of the elements of this stream, sorted according to the providedComparator
.static <T> Stream<T>
StreamSupport. stream(Supplier<? extends Spliterator<T>> supplier, int characteristics, boolean parallel)
Creates a new sequential or parallelStream
from aSupplier
ofSpliterator
.static <T> Stream<T>
StreamSupport. stream(Spliterator<T> spliterator, boolean parallel)
Creates a new sequential or parallelStream
from aSpliterator
.default Stream<T>
Stream. takeWhile(Predicate<? super T> predicate)
Returns, if this stream is ordered, a stream consisting of the longest prefix of elements taken from this stream that match the given predicate.Methods in java.util.stream with parameters of type Stream Modifier and Type Method Description static <T> Stream<T>
Stream. concat(Stream<? extends T> a, Stream<? extends T> b)
Creates a lazily concatenated stream whose elements are all the elements of the first stream followed by all the elements of the second stream.Method parameters in java.util.stream with type arguments of type Stream Modifier and Type Method Description <R> Stream<R>
Stream. flatMap(Function<? super T,? extends Stream<? extends R>> mapper)
Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.static <T,U,A,R>
Collector<T,?,R>Collectors. flatMapping(Function<? super T,? extends Stream<? extends U>> mapper, Collector<? super U,A,R> downstream)
Adapts aCollector
accepting elements of typeU
to one accepting elements of typeT
by applying a flat mapping function to each input element before accumulation. -
Uses of Stream in java.util.zip
Methods in java.util.zip that return Stream Modifier and Type Method Description Stream<? extends ZipEntry>
ZipFile. stream()
Returns an orderedStream
over the ZIP file entries. -
Uses of Stream in javax.xml.catalog
Methods in javax.xml.catalog that return Stream Modifier and Type Method Description Stream<Catalog>
Catalog. catalogs()
Returns a sequential Stream of alternative Catalogs specified using thenextCatalog
entries in the current catalog, and as the input of catalog files excluding the current catalog (that is, the first in the input list) when the Catalog object is created by theCatalogManager
.
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