Added in API level 26

OpenOption

interface OpenOption

java.nio.file.OpenOption

Known Direct Subclasses

LinkOption, StandardOpenOption

LinkOption	Defines the options as to how symbolic links are handled.
StandardOpenOption	Defines the standard open options.

Known Indirect Subclasses

LinkOption.NOFOLLOW_LINKS, StandardOpenOption.APPEND, StandardOpenOption.CREATE, StandardOpenOption.CREATE_NEW, StandardOpenOption.DELETE_ON_CLOSE, StandardOpenOption.DSYNC, StandardOpenOption.READ, StandardOpenOption.SPARSE, StandardOpenOption.SYNC, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE

LinkOption.NOFOLLOW_LINKS	Do not follow symbolic links.
StandardOpenOption.APPEND	If the file is opened for `WRITE` access then bytes will be written to the end of the file rather than the beginning.
StandardOpenOption.CREATE	Create a new file if it does not exist.
StandardOpenOption.CREATE_NEW	Create a new file, failing if the file already exists.
StandardOpenOption.DELETE_ON_CLOSE	Delete on close.
StandardOpenOption.DSYNC	Requires that every update to the file's content be written synchronously to the underlying storage device.
StandardOpenOption.READ	Open for read access.
StandardOpenOption.SPARSE	Sparse file.
StandardOpenOption.SYNC	Requires that every update to the file's content or metadata be written synchronously to the underlying storage device.
StandardOpenOption.TRUNCATE_EXISTING	If the file already exists and it is opened for `WRITE` access, then its length is truncated to 0.
StandardOpenOption.WRITE	Open for write access.

An object that configures how to open or create a file.

Objects of this type are used by methods such as newOutputStream, java.nio.file.Files#newByteChannel, java.nio.channels.FileChannel#open, and java.nio.channels.AsynchronousFileChannel#open when opening or creating a file.

The StandardOpenOption enumeration type defines the standard options.

OpenOption

Summary