async http request handler with lambda handler

my_class.java

class MyClass {
  void loadData() {
    String data_url = "http://4pcbr.com";
    HTTPLoader loader = new HTTPLoader();
    try {
      loader.load( data_url, new LambdaHandler() {
        public void success( String res ) {
          handleResponse( res );
        }
      } );
    } catch ( Exception e ) {
      println( e );
    }
  }

  void handleResponse( String res ) {
    println( res );
  }
}