String filter = "(&(objectClass=Computer))";
       String[] attrIDs = {"dNSHostName", "lastLogon", "displayName","operatingSystem","operatingSystemServicePack"};

       SearchControls ctls = new SearchControls();
       ctls.setReturningAttributes(attrIDs);
       ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);

    NamingEnumeration answer = ctx.search("CN=Computers,DC=mtu,DC=loc", filter, ctls);

       while (answer.hasMore()) {
           SearchResult sr = (SearchResult)answer.next();
           System.out.println(">>>" + sr.getName());
           String dn = sr.getName();
           Attributes attrs = sr.getAttributes();
          
            NamingEnumeration content =attrs.getAll();
               while( content.hasMore()){
                  System.out.println(": " +content.next());
               }

>>>CN=FINCYUK
: operatingSystem: Windows XP Professional
: operatingSystemServicePack: Service Pack  3 
: displayName: FINCYUK$
: dNSHostName: Fincyuk.mtu.loc