Socket实例

 public static void main(String[] args)
    {
        TestServerSocket test = new TestServerSocket();
        try
        {
            test.listen(8888);
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    
    public TestServerSocket()
    {
    }
    
    private void listen(int port) throws IOException
    {
        ServerSocket serverSocket = new ServerSocket(port);
        Socket server = serverSocket.accept();
        DataOutputStream out = null;
        DataInputStream in = null;
        byte[] responseBytes = new byte[3000];
        
        try
        {
            
            String message = "My Name is Jack";
            // 发送消息字节流
            out = new DataOutputStream(server.getOutputStream());
            out.write(message.getBytes());
            // 获取响应的字节流
            in = new DataInputStream(server.getInputStream());
            
            int read = in.read(responseBytes);
            String response = new String(responseBytes, 0, read);
            System.out.println("The message From Clien" + response);
            
        }
        finally
        {
            if (out != null)
            {
                out.close();
            }
            if (in != null)
            {
                in.close();
            }
        }
    }
//客户端
 public static void main(String[] args)
    {
        TestClientSocket testClient = new TestClientSocket();
        
        try
        {
            testClient.callServer();
        }
        catch (UnknownHostException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
    }
    
    public TestClientSocket()
    {
    }
    
    private void callServer() throws UnknownHostException, IOException
    {
        Socket client = new Socket("localhost", 8888);
        DataOutputStream out = null;
        DataInputStream in = null;
        byte[] responseBytes = new byte[3000];
        
        try
        {
            
            String message = "My Name is Sunny";
            // 发送消息字节流
            out = new DataOutputStream(client.getOutputStream());
            out.write(message.getBytes());
            // 获取响应的字节流
            in = new DataInputStream(client.getInputStream());
            
            int read = in.read(responseBytes);
            String response = new String(responseBytes, 0, read);
            System.out.println("The Message From Service:" + response);
            
        }
        finally
        {
            if (out != null)
            {
                out.close();
            }
            if (in != null)
            {
                in.close();
            }
        }
    }