Update example to use latest API

README.md

@@ -67,3 +67,4 @@ Released under [Apache License 2.0](./LICENSE.txt).
 ## Third Party Attributions
 
 Developers choosing to distribute a binary implementation of this project are responsible for obtaining and providing all required licenses and copyright notices for the third-party code used in order to ensure compliance with their respective open source licenses.
+

examples/webserver/jsonrpc/src/main/java/io/helidon/examples/webserver/jsonrpc/JsonRpcMain.java

@@ -63,8 +63,8 @@ static class MachineService implements JsonRpcService {
         public void routing(JsonRpcRules rules) {
             rules.register("/machine",
                            JsonRpcHandlers.builder()
-                                   .putMethod("start", this::start)
-                                   .putMethod("stop", this::stop)
+                                   .method("start", this::start)
+                                   .method("stop", this::stop)
                                    .build());
         }