import org.kde.KTextEditor.Struct3;
import org.freedesktop.dbus.*;
import java.util.ArrayList;
import org.freedesktop.dbus.exceptions.DBusException;
import org.kde.KTextEditor.Document;

public class Test {

    static DBusConnection conn = null;

    public static void main(String[] args) throws DBusException {
        conn = DBusConnection.getConnection(DBusConnection.SESSION);
        Document kate = conn.getRemoteObject("org.kde.kate-1979", "/Kate/Document/1", org.kde.KTextEditor.Document.class);
        ArrayList list = new ArrayList();
        list.add("line1");
        list.add("line2");
        kate.insertTextLines(new Struct3(10, 10), list, true);
    }
}