42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
// files/File_System.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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import java.nio.file.*;
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public class File_System {
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static void show(String id, Object o) {
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System.out.println(id + ": " + o);
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}
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public static void main(String[] args) {
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System.out.println(System.getProperty("os.name"));
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FileSystem fsys = FileSystems.getDefault();
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for(FileStore fs : fsys.getFileStores())
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show("File Store", fs);
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for(Path rd : fsys.getRootDirectories())
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show("Root Directory", rd);
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show("Separator", fsys.getSeparator());
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show("UserPrincipalLookupService",
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fsys.getUserPrincipalLookupService());
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show("isOpen", fsys.isOpen());
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show("isReadOnly", fsys.isReadOnly());
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show("FileSystemProvider", fsys.provider());
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show("File Attribute Views",
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fsys.supportedFileAttributeViews());
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}
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}
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/* Output:
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Windows 10
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File Store: (C:)
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Root Directory: C:\
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Root Directory: D:\
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Separator: \
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UserPrincipalLookupService:
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sun.nio.fs.WindowsFileSystem$LookupService$1@106d69c
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isOpen: true
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isReadOnly: false
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FileSystemProvider:
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sun.nio.fs.WindowsFileSystemProvider@52e922
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File Attribute Views: [owner, dos, acl, basic, user]
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*/
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