import java.io.*;



public class Test {
    public static void main (String[] args) throws Exception {
        File root = new File ("/tmp/fstst/");
        File f = new File (root,"ä‹Þ");
        if (!f.mkdirs()) {
             System.out.println ("Cannot create file: " + f.getAbsolutePath());
             System.exit (1);
        }
        if (!f.exists()) {
             System.out.println ("File does not exist after mkdir");
             System.exit (2);
        }
        File f2 = new File (root,"ä‹Þ");
		if (!f2.exists()) {
             System.out.println ("File second instance does not exist after mkdir");
             System.exit (3);
        }
		File[] files = root.listFiles ();
		if (!f.equals(files[0])) {
			System.out.println ("File " + f.getAbsolutePath() +" is not equal to "+files[0].getAbsolutePath());
		    System.exit (4);
		}
        System.out.println ("OK");
        System.exit (0);
    }
}