String dirname = "/java";
File f1 = new File(dirname);
if (f1.isDirectory()) {
out.println("Directory of " + dirname);
String s[] = f1.list();
for (int i=0; i < s.length; i++) {
File f = new File(dirname + "/" + s[i]);
if (f.isDirectory()) {
out.println(s[i] + " is a directory");
} else {
out.println(s[i] + " is a file");
}
}
} else {
out.println(dirname + " is not a directory");
}
}