ChatGPT Java: How to build a chatbot that simulates human behavior

ChatGPT Java: How to build a chatbot that can simulate human behavior, specific code examples are needed

Artificial intelligence plays an increasingly important role in modern society . As an application form of artificial intelligence, chatbots have been widely used in various scenarios. In this article, we will share how to use Java to build a chatbot that can simulate human behavior and provide specific code examples.

Set the project environment

First, we need to set the environment of the Java project. In order to realize the function of natural language processing, we recommend using the third-party library OpenAI ChatGPT API as the core engine of the chatbot. We can introduce the ChatGPT API by adding the following Maven dependency:

<dependency>
   <groupId>ai.openai</groupId>
   <artifactId>chatgpt</artifactId>
   <version>0.2.1</version>
</dependency>

Create ChatGPT client

Next, we need to create a ChatGPT client class for communicating with the ChatGPT API. The sample code is as follows:

import ai.openai.chatgpt.ChatCompletion;
import ai.openai.chatgpt.ChatGPT;
import ai.openai.chatgpt.model.CompletionRequest;

public class ChatGPTClient {
    private ChatGPT chatGPT;
    private String prompt;
    
    public ChatGPTClient(String apiKey) {
        chatGPT = new ChatGPT(apiKey);
        prompt = "你好，我是一个聊天机器人。有什么问题我可以帮助您解答？";
    }
    
    public String getResponse(String message) {
        CompletionRequest request = new CompletionRequest.Builder()
            .prompt(prompt + "
用户: " + message)
            .build();
        
        ChatCompletion completion = chatGPT.createCompletion(request);
        
        prompt += "
AI: " + completion.getChoices().get(0).getText();
        
        return completion.getChoices().get(0).getText();
    }
}

In the above code, we first initialize the client of the ChatGPT API and define an initial prompt (prompt) as the opening remarks of the chat. The getResponse method then accepts the user-entered message and passes it to the ChatGPT API for processing. Finally, we prefixed the responses returned by the API to the prompt with "User:" and "AI:" to simulate a real conversation.

Client usage example

Now you can use the ChatGPT client we wrote. Here is a simple example:

public class Main {
    public static void main(String[] args) {
        ChatGPTClient client = new ChatGPTClient("your_api_key");
        
        Scanner scanner = new Scanner(System.in);
        
        while (true) {
            System.out.print("用户: ");
            String message = scanner.nextLine();
            
            if (message.equalsIgnoreCase("退出")) {
                break;
            }
            
            String response = client.getResponse(message);
            
            System.out.println("AI: " + response);
        }
    }
}

In the above example, we created a ChatGPTClient instance and interacted with the chatbot through command line input. When we type "exit", the program will end.

Summary

This article introduces how to use Java to build a chatbot that can simulate human behavior and provides specific code examples. By integrating OpenAI's ChatGPT API, we can easily implement natural language processing functions in Java applications to provide users with a better chat experience. Hope this article helps you!

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