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