| 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.attribute | Interfaces and classes providing access to file and file system attributes. | 
| java.nio.file.spi | Service-provider classes for the  java.nio.filepackage. | 
| 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. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Path | Files. createDirectories(Path dir,
                 FileAttribute<?>... attrs)Creates a directory by creating all nonexistent parent directories first. | 
| static Path | Files. createDirectory(Path dir,
               FileAttribute<?>... attrs)Creates a new directory. | 
| static Path | Files. createFile(Path path,
          FileAttribute<?>... attrs)Creates a new and empty file, failing if the file already exists. | 
| static Path | Files. createSymbolicLink(Path link,
                  Path target,
                  FileAttribute<?>... attrs)Creates a symbolic link to a target (optional operation). | 
| static Path | Files. createTempDirectory(Path dir,
                   String prefix,
                   FileAttribute<?>... attrs)Creates a new directory in the specified directory, using the given
 prefix to generate its name. | 
| static Path | Files. createTempDirectory(String prefix,
                   FileAttribute<?>... attrs)Creates a new directory in the default temporary-file directory, using
 the given prefix to generate its name. | 
| static Path | Files. createTempFile(Path dir,
              String prefix,
              String suffix,
              FileAttribute<?>... attrs)Creates a new empty file in the specified directory, using the given
 prefix and suffix strings to generate its name. | 
| static Path | Files. createTempFile(String prefix,
              String suffix,
              FileAttribute<?>... attrs)Creates an empty file in the default temporary-file directory, using
 the given prefix and suffix to generate its name. | 
| 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. | 
| Modifier and Type | Method and Description | 
|---|---|
| static FileAttribute<Set<PosixFilePermission>> | PosixFilePermissions. asFileAttribute(Set<PosixFilePermission> perms)Creates a  FileAttribute, encapsulating a copy of the given file
 permissions, suitable for passing to thecreateFileorcreateDirectorymethods. | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract void | FileSystemProvider. createDirectory(Path dir,
               FileAttribute<?>... attrs)Creates a new directory. | 
| void | FileSystemProvider. createSymbolicLink(Path link,
                  Path target,
                  FileAttribute<?>... attrs)Creates a symbolic link to a target. | 
| 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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