code: protected void create(File file) throws IOException {
          if(!file.exists()) {
              File dir = file.getParentFile();
              if(dir.exists()) file.createNewFile();
              else if(dir.mkdirs()) file.createNewFile();
              else throw new IOException("Failed to create " + file.getAbsolutePath());
          }
          
          if(file.isDirectory()) {
              throw new IOException("Cannot open directory " + file.getAbsolutePath());
          }
      }
docs: Creates the specified file if needed.
  
  @throws IOException