Java Files get file size

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class Main {
  public static void main(String[] args) throws IOException {

    Path path = Paths.get("Main.java");
    long b = Files.size(path);

    System.out.println(b);// w  w w  . jav  a2s. c om
  }
}