//服务器端
public class Server {
    public void strat() throws Exception{
        ServerSocket ss = new ServerSocket(8899);
        while(true){
            Socket socket = ss.accept();
            System.out.println(socket);
            Hunter thread = new Hunter(socket);
            thread.start();
        }
        
    }
    public class Hunter extends Thread{
        private Socket socket;
        public Hunter(Socket socket){
            this.socket = socket;
        }
        @Override
        public void run(){
            try{
                InputStream is = socket.getInputStream();
                OutputStream os = socket.getOutputStream();
                InputStreamReader isr = new InputStreamReader(is);
                BufferedReader br = new BufferedReader(isr);
                String line = br.readLine();
                System.out.println(line);
                OutputStreamWriter osw = new OutputStreamWriter(os);
                PrintWriter pw = new PrintWriter(osw);
                pw.println("小诺");
                pw.flush();
                socket.close();
            }catch(IOException e){
                e.printStackTrace();
            }
        }
    }
    public static void main(String[] args) throws Exception{
        System.out.println("我是服务器端");
        Server1 server = new Server1();
        server.strat();
    }
}




客户端
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public class Client {
    public void request() throws Exception{
        Socket socket = new Socket("localhost",8899);
        System.out.println(socket);
        InputStream is = socket.getInputStream();
        OutputStream os = socket.getOutputStream();
        OutputStreamWriter osw = new OutputStreamWriter(os);
        PrintWriter pw = new PrintWriter(osw);
       //就是想从这里打印自己输入的文字传到服务器端
       pw.println("我可以假装看不见，也可以偷偷的想念");
        pw.flush();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr);
        String line = br.readLine();
        System.out.println(line);
        socket.close();
        
    }
    public static void main(String[] args) throws Exception{
        System.out.println("你好，我是客户端");
        Client client = new Client();
        client.request();
    }
}