Check if a path represents a file or a folder

Question

I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names c

Answer 1

Please stick to the nio API to perform these checks

import java.nio.file.*;

static Boolean isDir(Path path) {
  if (path == null || !Files.exists(path)) return false;
  else return Files.isDirectory(path);
}