OpenAI-Java-Sdk

   <dependency>
    <groupId>cn.ai-connect</groupId>
    <artifactId>openai-java-sdk</artifactId>
    <version>1.0.0</version>       
   </dependency>

        final List<ChatMessage> messagesByStream = new ArrayList<>();
        final ChatMessage systemMessage = new ChatMessage(ChatMessageRole.SYSTEM.value(), "你是一个助手.");
        messagesByStream.add(systemMessage);
        ChatCompletionRequest chatCompletionRequest = ChatCompletionRequest
                .builder()
                .model("gpt-3.5-turbo-16k")
                .messages(messagesByStream)
                .n(1)
                .maxTokens(50)
                .logitBias(new HashMap<>())
                .build();

        service.streamChatCompletion(chatCompletionRequest)
                .doOnError(Throwable::printStackTrace)
                .blockingForEach(System.out::println);

        service.shutdownExecutor();

        final List<ChatMessage> messagesByCallback = new ArrayList<>();
        final ChatMessage userMessage = new ChatMessage(ChatMessageRole.USER.value(), "What is the weather like in Boston?");
        messagesByCallback.add(userMessage);


        final List<CallbackFunction> functions = new LinkedList<>();

        String parmJson = "{\"type\":\"object\",\"properties\":{\"location\":{\"type\":\"string\",\"description\":\"The city and state, e.g. San Francisco, CA\"},\"unit\":{\"type\":\"string\",\"enum\":[\"celsius\",\"fahrenheit\"]}},\"required\":[\"location\"]}";
        final CallbackFunction callbackFunction = new CallbackFunction("get_current_weather", "Get the current weather in a given location", parmJson);
        functions.add(callbackFunction);


        ChatCompletionRequest chatCompletionRequestByCallback = ChatCompletionRequest
                .builder()
                .model("gpt-3.5-turbo-16k")
                .functions(functions)
                .messages(messagesByCallback)
                .n(1)
                .maxTokens(50)
                .logitBias(new HashMap<>())
                .build();

        service.createChatCompletion(chatCompletionRequestByCallback).getChoices().forEach(System.out::println);

ObjectMapper mapper = defaultObjectMapper();
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(host, port));
OkHttpClient client = defaultClient(token, timeout)
        .newBuilder()
        .proxy(proxy)
        .build();
Retrofit retrofit = defaultRetrofit(client, mapper);
OpenAiApi api = retrofit.create(OpenAiApi.class);
OpenAiService service = new OpenAiService(api);