Check If a file or directory readable in Java

//ww  w  .ja v  a 2s  .  co  m
import java.io.File;
import java.io.File;

public class Main {
  public static void main(String[] args) {
    File file = new File(args[0]);
    if (!file.exists()) {
      System.out.println(args[0] + " does not exist.");
      return;
    }
    if (file.isFile() && file.canRead()){
      System.out.println(file.getName() + " can be read from.");
    }
    if (file.isDirectory()) {
      System.out.println(file.getPath() + " is a directory containing...");
      String[] files = file.list();
      for (int i = 0; i < files.length; i++) {
        System.out.println(files[i]);
      }
    }
  }
}