chore: Update example to print follow up event (coze-dev#100)

Author: hanzeINGH

api/src/main/java/com/coze/openapi/client/connversations/message/model/MessageType.java

@@ -3,9 +3,11 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 
 @Getter
+@EqualsAndHashCode
 public class MessageType {
   /** User input content. */
   public static final MessageType QUESTION = new MessageType("question");

example/src/main/java/example/chat/StreamChatExample.java

@@ -6,6 +6,7 @@
 import com.coze.openapi.client.chat.model.ChatEvent;
 import com.coze.openapi.client.chat.model.ChatEventType;
 import com.coze.openapi.client.connversations.message.model.Message;
+import com.coze.openapi.client.connversations.message.model.MessageType;
 import com.coze.openapi.service.auth.TokenAuth;
 import com.coze.openapi.service.service.CozeAPI;
 
@@ -57,7 +58,13 @@ public static void main(String[] args) {
                 System.out.print(event.getMessage().getContent());
               }
               if (ChatEventType.CONVERSATION_CHAT_COMPLETED.equals(event.getEvent())) {
-                System.out.println("Token usage:" + event.getChat().getUsage().getTokenCount());
+                if (MessageType.FOLLOW_UP.equals(event.getMessage().getType())) {
+                  System.out.println(event.getMessage().getContent());
+                } else {
+                  System.out.println("Token usage:" + event.getChat().getUsage().getTokenCount());
+                }
+              }
+              if (ChatEventType.DONE.equals(event.getEvent())) {
                 coze.shutdownExecutor();
               }
             },