String url = "http://<server>:<port>/testlink/lib/api/xmlrpc.php";
        String devKey = "key";
        TestLinkAPI api = null;
        
        URL testlinkURL = null;
        
        try     {
                testlinkURL = new URL(url);
        } catch ( MalformedURLException mue )   {
                mue.printStackTrace( System.err );
                System.exit(-1);
        }
        
        try     {
                api = new TestLinkAPI(testlinkURL, devKey);
        } catch( TestLinkAPIException te) {
                te.printStackTrace( System.err );
                System.exit(-1);
        }
        
        System.out.println(api.ping());