Uses of Interface java.nio.file.OpenOption (Java Platform SE 8 )
Date: 2026-04-17

## Uses of Interface
java.nio.file.OpenOption

- Packages that use OpenOption
  Package | Description
  --- | ---
  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.file | Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
  java.nio.file.spi | Service-provider classes for the ``java.nio.file`` package.

- - ### Uses of OpenOption in java.nio.channels

    Methods in java.nio.channels with parameters of type OpenOption
    Modifier and Type | Method and Description
    --- | ---
    `static AsynchronousFileChannel` | AsynchronousFileChannel.`open(Path file, OpenOption... options)` Opens or creates a file for reading and/or writing, returning an asynchronous file channel to access the file.
    `static FileChannel` | FileChannel.`open(Path path, OpenOption... options)` Opens or creates a file, returning a file channel to access the file.

    Method parameters in java.nio.channels with type arguments of type OpenOption
    Modifier and Type | Method and Description
    --- | ---
    `static AsynchronousFileChannel` | AsynchronousFileChannel.`open(Path file, Set<? extends OpenOption> options, ExecutorService executor, FileAttribute<?>... attrs)` Opens or creates a file for reading and/or writing, returning an asynchronous file channel to access the file.
    `static FileChannel` | FileChannel.`open(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)` Opens or creates a file, returning a file channel to access the file.

  - ### Uses of OpenOption in java.nio.file

    Classes in java.nio.file that implement OpenOption
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LinkOption` Defines the options as to how symbolic links are handled.
    `class` | `StandardOpenOption` Defines the standard open options.

    Methods in java.nio.file with parameters of type OpenOption
    Modifier and Type | Method and Description
    --- | ---
    `static BufferedWriter` | Files.`newBufferedWriter(Path path, Charset cs, OpenOption... options)` Opens or creates a file for writing, returning a `BufferedWriter` that may be used to write text to the file in an efficient manner.
    `static BufferedWriter` | Files.`newBufferedWriter(Path path, OpenOption... options)` Opens or creates a file for writing, returning a `BufferedWriter` to write text to the file in an efficient manner.
    `static SeekableByteChannel` | Files.`newByteChannel(Path path, OpenOption... options)` Opens or creates a file, returning a seekable byte channel to access the file.
    `static InputStream` | Files.`newInputStream(Path path, OpenOption... options)` Opens a file, returning an input stream to read from the file.
    `static OutputStream` | Files.`newOutputStream(Path path, OpenOption... options)` Opens or creates a file, returning an output stream that may be used to write bytes to the file.
    `static Path` | Files.`write(Path path, byte[] bytes, OpenOption... options)` Writes bytes to a file.
    `static Path` | Files.`write(Path path, Iterable<? extends CharSequence> lines, Charset cs, OpenOption... options)` Write lines of text to a file.
    `static Path` | Files.`write(Path path, Iterable<? extends CharSequence> lines, OpenOption... options)` Write lines of text to a file.

    Method parameters in java.nio.file with type arguments of type OpenOption
    Modifier and Type | Method and Description
    --- | ---
    `static SeekableByteChannel` | Files.`newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)` Opens or creates a file, returning a seekable byte channel to access the file.
    `SeekableByteChannel` | SecureDirectoryStream.`newByteChannel(T path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)` Opens or creates a file in this directory, returning a seekable byte channel to access the file.

  - ### Uses of OpenOption in java.nio.file.spi

    Methods in java.nio.file.spi with parameters of type OpenOption
    Modifier and Type | Method and Description
    --- | ---
    `InputStream` | FileSystemProvider.`newInputStream(Path path, OpenOption... options)` Opens a file, returning an input stream to read from the file.
    `OutputStream` | FileSystemProvider.`newOutputStream(Path path, OpenOption... options)` Opens or creates a file, returning an output stream that may be used to write bytes to the file.

    Method parameters in java.nio.file.spi with type arguments of type OpenOption
    Modifier and Type | Method and Description
    --- | ---
    `AsynchronousFileChannel` | FileSystemProvider.`newAsynchronousFileChannel(Path path, Set<? extends OpenOption> options, ExecutorService executor, FileAttribute<?>... attrs)` Opens or creates a file for reading and/or writing, returning an asynchronous file channel to access the file.
    `abstract SeekableByteChannel` | FileSystemProvider.`newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)` Opens or creates a file, returning a seekable byte channel to access the file.
    `FileChannel` | FileSystemProvider.`newFileChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)` Opens or creates a file for reading and/or writing, returning a file channel to access the file.

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