JavaSE - NIO —— File与NIO File功能对应

 

java.io.File Functionality	java.nio.file Functionality	Tutorial Coverage
java.io.File	java.nio.file.Path	The Path Class
java.io.RandomAccessFile	The SeekableByteChannel functionality.	Random Access Files
File.canRead, canWrite, canExecute	Files.isReadable, Files.isWritable, and Files.isExecutable. On UNIX file systems, the Managing Metadata (File and File Store Attributes) package is used to check the nine file permissions.	Checking a File or Directory Managing Metadata
File.isDirectory(), File.isFile(), and File.length()	Files.isDirectory(Path, LinkOption...), Files.isRegularFile(Path, LinkOption...), and Files.size(Path)	Managing Metadata
File.lastModified() and File.setLastModified(long)	Files.getLastModifiedTime(Path, LinkOption...) and Files.setLastMOdifiedTime(Path, FileTime)	Managing Metadata
The File methods that set various attributes: setExecutable, setReadable, setReadOnly, setWritable	These methods are replaced by the Files method setAttribute(Path, String, Object, LinkOption...).	Managing Metadata
new File(parent, "newfile")	parent.resolve("newfile")	Path Operations
File.renameTo	Files.move	Moving a File or Directory
File.delete	Files.delete	Deleting a File or Directory
File.createNewFile	Files.createFile	Creating Files
File.deleteOnExit	Replaced by the DELETE_ON_CLOSE option specified in the createFile method.	Creating Files
File.createTempFile	Files.createTempFile(Path, String, FileAttributes<?>), Files.createTempFile(Path, String, String, FileAttributes<?>)	Creating Files Creating and Writing a File by Using Stream I/O Reading and Writing Files by Using Channel I/O
File.exists	Files.exists and Files.notExists	Verifying the Existence of a File or Directory
File.compareTo and equals	Path.compareTo and equals	Comparing Two Paths
File.getAbsolutePath and getAbsoluteFile	Path.toAbsolutePath	Converting a Path
File.getCanonicalPath and getCanonicalFile	Path.toRealPath or normalize	Converting a Path (toRealPath) Removing Redundancies From a Path (normalize)
File.toURI	Path.toURI	Converting a Path
File.isHidden	Files.isHidden	Retrieving Information About the Path
File.list and listFiles	Path.newDirectoryStream	Listing a Directory's Contents
File.mkdir and mkdirs	Path.createDirectory	Creating a Directory
File.listRoots	FileSystem.getRootDirectories	Listing a File System's Root Directories
File.getTotalSpace, File.getFreeSpace, File.getUsableSpace	FileStore.getTotalSpace, FileStore.getUnallocatedSpace, FileStore.getUsableSpace, FileStore.getTotalSpace	File Store Attributes