Java™ Platform
Standard Ed. 8

Uses of Interface
java.io.Closeable

  • Packages that use Closeable 
    Package Description
    java.io
    Provides for system input and output through data streams, serialization and the file system.
    java.net
    Provides the classes for implementing networking applications.
    java.nio.channels
    Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
    java.nio.channels.spi
    Service-provider classes for the java.nio.channels package.
    java.nio.file
    Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
    java.rmi.server
    Provides classes and interfaces for supporting the server side of RMI.
    java.security
    Provides the classes and interfaces for the security framework.
    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.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.zip
    Provides classes for reading and writing the standard ZIP and GZIP file formats.
    javax.crypto
    Provides the classes and interfaces for cryptographic operations.
    javax.imageio.stream
    A package of the Java Image I/O API dealing with low-level I/O from files and streams.
    javax.management.loading
    Provides the classes which implement advanced dynamic loading.
    javax.management.remote
    Interfaces for remote access to JMX MBean servers.
    javax.management.remote.rmi
    The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
    javax.net.ssl
    Provides classes for the secure socket package.
    javax.sound.sampled
    Provides interfaces and classes for capture, processing, and playback of sampled audio data.
    javax.swing
    Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
    javax.tools
    Provides interfaces for tools which can be invoked from a program, for example, compilers.
    • Uses of Closeable in java.io

      Classes in java.io that implement Closeable 
      Modifier and Type Class and Description
      class  BufferedInputStream
      A BufferedInputStream adds functionality to another input stream-namely, the ability to buffer the input and to support the mark and reset methods.
      class  BufferedOutputStream
      The class implements a buffered output stream.
      class  BufferedReader
      Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
      class  BufferedWriter
      Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
      class  ByteArrayInputStream
      A ByteArrayInputStream contains an internal buffer that contains bytes that may be read from the stream.
      class  ByteArrayOutputStream
      This class implements an output stream in which the data is written into a byte array.
      class  CharArrayReader
      This class implements a character buffer that can be used as a character-input stream.
      class  CharArrayWriter
      This class implements a character buffer that can be used as an Writer.
      class  DataInputStream
      A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
      class  DataOutputStream
      A data output stream lets an application write primitive Java data types to an output stream in a portable way.
      class  FileInputStream
      A FileInputStream obtains input bytes from a file in a file system.
      class  FileOutputStream
      A file output stream is an output stream for writing data to a File or to a FileDescriptor.
      class  FileReader
      Convenience class for reading character files.
      class  FileWriter
      Convenience class for writing character files.
      class  FilterInputStream
      A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
      class  FilterOutputStream
      This class is the superclass of all classes that filter output streams.
      class  FilterReader
      Abstract class for reading filtered character streams.
      class  FilterWriter
      Abstract class for writing filtered character streams.
      class  InputStream
      This abstract class is the superclass of all classes representing an input stream of bytes.
      class  InputStreamReader
      An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset.
      class  LineNumberInputStream
      Deprecated. 
      This class incorrectly assumes that bytes adequately represent characters. As of JDK 1.1, the preferred way to operate on character streams is via the new character-stream classes, which include a class for counting line numbers.
      class  LineNumberReader
      A buffered character-input stream that keeps track of line numbers.
      class  ObjectInputStream
      An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
      class  ObjectOutputStream
      An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
      class  OutputStream
      This abstract class is the superclass of all classes representing an output stream of bytes.
      class  OutputStreamWriter
      An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified charset.
      class  PipedInputStream
      A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
      class  PipedOutputStream
      A piped output stream can be connected to a piped input stream to create a communications pipe.
      class  PipedReader
      Piped character-input streams.
      class  PipedWriter
      Piped character-output streams.
      class  PrintStream
      A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
      class  PrintWriter
      Prints formatted representations of objects to a text-output stream.
      class  PushbackInputStream
      A PushbackInputStream adds functionality to another input stream, namely the ability to "push back" or "unread" one byte.
      class  PushbackReader
      A character-stream reader that allows characters to be pushed back into the stream.
      class  RandomAccessFile
      Instances of this class support both reading and writing to a random access file.
      class  Reader
      Abstract class for reading character streams.
      class  SequenceInputStream
      A SequenceInputStream represents the logical concatenation of other input streams.
      class  StringBufferInputStream
      Deprecated. 
      This class does not properly convert characters into bytes. As of JDK 1.1, the preferred way to create a stream from a string is via the StringReader class.
      class  StringReader
      A character stream whose source is a string.
      class  StringWriter
      A character stream that collects its output in a string buffer, which can then be used to construct a string.
      class  Writer
      Abstract class for writing to character streams.
    • Uses of Closeable in java.net

      Classes in java.net that implement Closeable 
      Modifier and Type Class and Description
      class  DatagramSocket
      This class represents a socket for sending and receiving datagram packets.
      class  MulticastSocket
      The multicast datagram socket class is useful for sending and receiving IP multicast packets.
      class  ServerSocket
      This class implements server sockets.
      class  Socket
      This class implements client sockets (also called just "sockets").
      class  URLClassLoader
      This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
    • Uses of Closeable in java.nio.channels

      Subinterfaces of Closeable in java.nio.channels 
      Modifier and Type Interface and Description
      interface  AsynchronousByteChannel
      An asynchronous channel that can read and write bytes.
      interface  AsynchronousChannel
      A channel that supports asynchronous I/O operations.
      interface  ByteChannel
      A channel that can read and write bytes.
      interface  Channel
      A nexus for I/O operations.
      interface  GatheringByteChannel
      A channel that can write bytes from a sequence of buffers.
      interface  InterruptibleChannel
      A channel that can be asynchronously closed and interrupted.
      interface  MulticastChannel
      A network channel that supports Internet Protocol (IP) multicasting.
      interface  NetworkChannel
      A channel to a network socket.
      interface  ReadableByteChannel
      A channel that can read bytes.
      interface  ScatteringByteChannel
      A channel that can read bytes into a sequence of buffers.
      interface  SeekableByteChannel
      A byte channel that maintains a current position and allows the position to be changed.
      interface  WritableByteChannel
      A channel that can write bytes.
      Classes in java.nio.channels that implement Closeable 
      Modifier and Type Class and Description
      class  AsynchronousFileChannel
      An asynchronous channel for reading, writing, and manipulating a file.
      class  AsynchronousServerSocketChannel
      An asynchronous channel for stream-oriented listening sockets.
      class  AsynchronousSocketChannel
      An asynchronous channel for stream-oriented connecting sockets.
      class  DatagramChannel
      A selectable channel for datagram-oriented sockets.
      class  FileChannel
      A channel for reading, writing, mapping, and manipulating a file.
      static class  Pipe.SinkChannel
      A channel representing the writable end of a Pipe.
      static class  Pipe.SourceChannel
      A channel representing the readable end of a Pipe.
      class  SelectableChannel
      A channel that can be multiplexed via a Selector.
      class  Selector
      A multiplexor of SelectableChannel objects.
      class  ServerSocketChannel
      A selectable channel for stream-oriented listening sockets.
      class  SocketChannel
      A selectable channel for stream-oriented connecting sockets.
    • Uses of Closeable in java.nio.channels.spi

      Classes in java.nio.channels.spi that implement Closeable 
      Modifier and Type Class and Description
      class  AbstractInterruptibleChannel
      Base implementation class for interruptible channels.
      class  AbstractSelectableChannel
      Base implementation class for selectable channels.
      class  AbstractSelector
      Base implementation class for selectors.
    • Uses of Closeable in java.nio.file

      Subinterfaces of Closeable in java.nio.file 
      Modifier and Type Interface and Description
      interface  DirectoryStream<T>
      An object to iterate over the entries in a directory.
      interface  SecureDirectoryStream<T>
      A DirectoryStream that defines operations on files that are located relative to an open directory.
      interface  WatchService
      A watch service that watches registered objects for changes and events.
      Classes in java.nio.file that implement Closeable 
      Modifier and Type Class and Description
      class  FileSystem
      Provides an interface to a file system and is the factory for objects to access files and other objects in the file system.
    • Uses of Closeable in java.rmi.server

      Classes in java.rmi.server that implement Closeable 
      Modifier and Type Class and Description
      class  LogStream
      Deprecated. 
      no replacement
    • Uses of Closeable in java.security

      Classes in java.security that implement Closeable 
      Modifier and Type Class and Description
      class  DigestInputStream
      A transparent stream that updates the associated message digest using the bits going through the stream.
      class  DigestOutputStream
      A transparent stream that updates the associated message digest using the bits going through the stream.
    • Uses of Closeable in java.util

      Classes in java.util that implement Closeable 
      Modifier and Type Class and Description
      class  Formatter
      An interpreter for printf-style format strings.
      class  Scanner
      A simple text scanner which can parse primitive types and strings using regular expressions.
    • Uses of Closeable in java.util.jar

      Classes in java.util.jar that implement Closeable 
      Modifier and Type Class and Description
      class  JarFile
      The JarFile class is used to read the contents of a jar file from any file that can be opened with java.io.RandomAccessFile.
      class  JarInputStream
      The JarInputStream class is used to read the contents of a JAR file from any input stream.
      class  JarOutputStream
      The JarOutputStream class is used to write the contents of a JAR file to any output stream.
    • Uses of Closeable in java.util.zip

      Classes in java.util.zip that implement Closeable 
      Modifier and Type Class and Description
      class  CheckedInputStream
      An input stream that also maintains a checksum of the data being read.
      class  CheckedOutputStream
      An output stream that also maintains a checksum of the data being written.
      class  DeflaterInputStream
      Implements an input stream filter for compressing data in the "deflate" compression format.
      class  DeflaterOutputStream
      This class implements an output stream filter for compressing data in the "deflate" compression format.
      class  GZIPInputStream
      This class implements a stream filter for reading compressed data in the GZIP file format.
      class  GZIPOutputStream
      This class implements a stream filter for writing compressed data in the GZIP file format.
      class  InflaterInputStream
      This class implements a stream filter for uncompressing data in the "deflate" compression format.
      class  InflaterOutputStream
      Implements an output stream filter for uncompressing data stored in the "deflate" compression format.
      class  ZipFile
      This class is used to read entries from a zip file.
      class  ZipInputStream
      This class implements an input stream filter for reading files in the ZIP file format.
      class  ZipOutputStream
      This class implements an output stream filter for writing files in the ZIP file format.
    • Uses of Closeable in javax.crypto

      Classes in javax.crypto that implement Closeable 
      Modifier and Type Class and Description
      class  CipherInputStream
      A CipherInputStream is composed of an InputStream and a Cipher so that read() methods return data that are read in from the underlying InputStream but have been additionally processed by the Cipher.
      class  CipherOutputStream
      A CipherOutputStream is composed of an OutputStream and a Cipher so that write() methods first process the data before writing them out to the underlying OutputStream.
    • Uses of Closeable in javax.imageio.stream

      Subinterfaces of Closeable in javax.imageio.stream 
      Modifier and Type Interface and Description
      interface  ImageInputStream
      A seekable input stream interface for use by ImageReaders.
      interface  ImageOutputStream
      A seekable output stream interface for use by ImageWriters.
      Classes in javax.imageio.stream that implement Closeable 
      Modifier and Type Class and Description
      class  FileCacheImageInputStream
      An implementation of ImageInputStream that gets its input from a regular InputStream.
      class  FileCacheImageOutputStream
      An implementation of ImageOutputStream that writes its output to a regular OutputStream.
      class  FileImageInputStream
      An implementation of ImageInputStream that gets its input from a File or RandomAccessFile.
      class  FileImageOutputStream
      An implementation of ImageOutputStream that writes its output directly to a File or RandomAccessFile.
      class  ImageInputStreamImpl
      An abstract class implementing the ImageInputStream interface.
      class  ImageOutputStreamImpl
      An abstract class implementing the ImageOutputStream interface.
      class  MemoryCacheImageInputStream
      An implementation of ImageInputStream that gets its input from a regular InputStream.
      class  MemoryCacheImageOutputStream
      An implementation of ImageOutputStream that writes its output to a regular OutputStream.
    • Uses of Closeable in javax.management.loading

      Classes in javax.management.loading that implement Closeable 
      Modifier and Type Class and Description
      class  MLet
      Allows you to instantiate and register one or several MBeans in the MBean server coming from a remote URL.
      class  PrivateMLet
      An MLet that is not added to the ClassLoaderRepository.
    • Uses of Closeable in javax.management.remote

      Subinterfaces of Closeable in javax.management.remote 
      Modifier and Type Interface and Description
      interface  JMXConnector
      The client end of a JMX API connector.
    • Uses of Closeable in javax.management.remote.rmi

      Subinterfaces of Closeable in javax.management.remote.rmi 
      Modifier and Type Interface and Description
      interface  RMIConnection
      RMI object used to forward an MBeanServer request from a client to its MBeanServer implementation on the server side.
      Classes in javax.management.remote.rmi that implement Closeable 
      Modifier and Type Class and Description
      class  RMIConnectionImpl
      Implementation of the RMIConnection interface.
      class  RMIConnectionImpl_Stub 
      class  RMIConnector
      A connection to a remote RMI connector.
      class  RMIIIOPServerImpl
      An RMIServerImpl that is exported through IIOP and that creates client connections as RMI objects exported through IIOP.
      class  RMIJRMPServerImpl
      An RMIServer object that is exported through JRMP and that creates client connections as RMI objects exported through JRMP.
      class  RMIServerImpl
      An RMI object representing a connector server.
    • Uses of Closeable in javax.net.ssl

      Classes in javax.net.ssl that implement Closeable 
      Modifier and Type Class and Description
      class  SSLServerSocket
      This class extends ServerSockets and provides secure server sockets using protocols such as the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
      class  SSLSocket
      This class extends Sockets and provides secure socket using protocols such as the "Secure Sockets Layer" (SSL) or IETF "Transport Layer Security" (TLS) protocols.
    • Uses of Closeable in javax.sound.sampled

      Classes in javax.sound.sampled that implement Closeable 
      Modifier and Type Class and Description
      class  AudioInputStream
      An audio input stream is an input stream with a specified audio format and length.
    • Uses of Closeable in javax.swing

      Classes in javax.swing that implement Closeable 
      Modifier and Type Class and Description
      class  ProgressMonitorInputStream
      Monitors the progress of reading from some InputStream.
    • Uses of Closeable in javax.tools

      Subinterfaces of Closeable in javax.tools 
      Modifier and Type Interface and Description
      interface  JavaFileManager
      File manager for tools operating on Java™ programming language source and class files.
      interface  StandardJavaFileManager
      File manager based on java.io.File.
      Classes in javax.tools that implement Closeable 
      Modifier and Type Class and Description
      class  ForwardingJavaFileManager<M extends JavaFileManager>
      Forwards calls to a given file manager.
Java™ Platform
Standard Ed. 8

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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.
Copyright © 1993, 2022, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

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