6. Example: Checking File Accessibility

• 
  import java.nio.file.*;
  import static java.nio.file.AccessMode.*;
  import java.io.IOException;
  public class PathDemo3
  {
      public static void main(String[] args)
      {
          Path filePath =
              Paths.get("C:\\example\\Data.txt");
          System.out.println("Path is " + filePath.toString());
          try
          {
              //READ checks that the file exists and that the program has permission to read the file
              //WRITE checks that the file exists and that the program has permission to write to the file
              //EXECUTE checks that the file exists and that the program has permission to execute the file
              filePath.getFileSystem().provider().checkAccess
                  (READ, EXECUTE);
                  System.out.println("File can be read and executed");
          }
          catch(IOException e)
          {
              System.out.println
                  ("File cannot be used for this application");
          }
      }
  }//class PathDemo3