<dependency>
<groupId>com.ibm.watson.developer_cloud</groupId>
<artifactId>conversation</artifactId>
<version>4.2.1</version>
</dependency>'com.ibm.watson.developer_cloud:conversation:4.2.1'Use the Conversation service to identify intents, entities, and conduct conversations.
Conversation service = new Conversation(Conversation.VERSION_DATE_2017_05_26);
service.setUsernameAndPassword("<username>", "<password>");
InputData input = new InputData.Builder("Hi").build();
MessageOptions options = new MessageOptions.Builder(workspaceId).input(input).build();
MessageResponse response = service.message(options).execute();
System.out.println(response);Moving from Node 1 to Node 2.
Context context = null;
// first message
MessageOptions newMessageOptions = new MessageOptions.Builder()
.workspaceId("<workspace-id>")
.input(new InputData.Builder("First message").build())
.context(context)
.build();
MessageResponse response = service.message(newMessageOptions).execute();
// second message
newMessageOptions = new MessageOptions.Builder()
.workspaceId("<workspace-id>")
.input(new InputData.Builder("Second message").build())
.context(response.getContext()) // output context from the first message
.build();
response = service.message(newMessageOptions).execute();
System.out.println(response);