BasicFileAttributes.size() has the following syntax.
long size()
In the following code shows how to use BasicFileAttributes.size() method.
import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.BasicFileAttributes; /* w w w . j av a 2 s.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("File size: " + attr.size()); } }