import javax.naming.CompositeName;
public class Main {
public static void main(String[] argv) throws Exception {
CompositeName composite = new CompositeName("cn=John,o=hits/summary.txt");
String first = composite.get(0);
String last = composite.get(composite.size() - 1);
composite.add(0, "yourname.com");
composite.remove(2);
}
}