Java tutorial
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]); } } } }