isHidden() private method

private isHidden ( ) : bool
return bool
 private void exploreDirectory(ZipOutputStream zipStream, String root, File directory) {
     if (directory.isHidden()) {
         return;
     }
     foreach (var content in directory.list()) {
         var file = new File(directory, content);
         if (file.isDirectory()) {
             exploreDirectory(zipStream, root + directory.getName() + '/', file);
         } else {
             addEntry(zipStream, root + directory.getName() + '/', file);
         }
     }
 }
 private void addEntry(ZipOutputStream zipStream, String root, File file) {
     if (file.isHidden()) {
         return;
     }
     var name = root + file.getName();
     var zipEntry = new ZipEntry(name);
     zipStream.putNextEntry(zipEntry);
     var buffer = new byte[4096];
     var inputStream = new FileInputStream(file);
     int read;
     while ((read = inputStream.read(buffer)) != -1) {
         zipStream.write(buffer, 0, read);
     }
 }