android socket域名

<uses-permission android:name="android.permission.INTERNET" />

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;

public class SocketClient {
    private static final String SERVER_ADDRESS = "example.com";
    private static final int SERVER_PORT = 8080;

    public static void main(String[] args) {
        try (Socket socket = new Socket(SERVER_ADDRESS, SERVER_PORT);
             PrintWriter out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
             BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()))) {

            // 发送数据到服务器
            out.println("Hello, Server!");

            // 接收服务器响应
            String response = in.readLine();
            System.out.println("Server response: " + response);

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}