1. 伺服器端test1

        ServerSocket server = new ServerSocket(6060);
        Socket socket = server.accept();
        InputStream is = socket.getInputStream();
        OutputStream os = socket.getOutputStream();

        os.write("周紅偉是個可愛的姑娘！".getBytes());
        byte arr[] = new byte[1024];
        int
 
 len = is.read(arr);
        System.out.println(new String(arr,0,len));

1. 客戶端test1

        Socket socket = new Socket("127.0.0.1",6060);
        InputStream is = socket.getInputStream();
        OutputStream os = socket.getOutputStream();
        byte arr[] = new byte[1024];
        int len = is.read(arr);
        System.out.println
 
(new String(arr,0,len));

        os.write("顧小磊也是個可愛的人兒！".getBytes());
        socket.close();

1. Demo2_Server

        ServerSocket server = new ServerSocket(6060);
        while (true){
            final Socket socket = server.accept();
            new Thread(){
                public void run(){
                    try
 
 {
                        BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                        PrintStream ps = new PrintStream(socket.getOutputStream());
                        ps.println("zhouxiaowei shi ge da  壞蛋！");
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }.start();

        }

1. Demo2_Client

    Socket socket = new Socket("127.0.0.1",6060);
        BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        //BufferedWriter bw =new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
        PrintStream ps = new PrintStream(socket.getOutputStream());

        System.out.println(br.readLine());


        socket.close();