import java.io.*;

class TestFileClass{

  public static void main(String[] args) throws IOException{

    System.out.println("\n\nSome information about this file:");

    String thisFile = "TestFileClass.java";

    File tf =  new File(thisFile);

    System.out.println("The file " + thisFile + " exists: " + tf.exists());
    System.out.println("We can write to the file " + thisFile + ": " + tf.canWrite());

    System.out.println("Absolute path: " + tf.getAbsolutePath());
    System.out.println("Path: " + tf.getPath());

    System.out.println("\n\nSystem dependent separators:");
    System.out.println("Name separator: " + File.separator);
    System.out.println("Path separator: " + File.pathSeparator);

    System.out.println("\n\nDirectory listing:");
    File directory = new File(".");
    String[] dir;

    dir = directory.list();

    for(int i = 0; i<dir.length; i++)
      {
	String line = dir[i];
	System.out.print(line);
	File l = new File(line);
	if(l.isDirectory())
	  System.out.print("/");
	System.out.println();
      }
  }

}