BasicFileAttributes.fileKey() has the following syntax.
Object fileKey()
In the following code shows how to use BasicFileAttributes.fileKey() method.
import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.BasicFileAttributes; /*from www. jav a 2s.co m*/ public class Main { public static void main(String[] args) throws Exception { BasicFileAttributes attr = null; Path path = Paths.get("C:/tutorial/Java/JavaFX", "Topic.txt"); attr = Files.readAttributes(path, BasicFileAttributes.class); System.out.println(attr.fileKey()); } }