简单的java socket 服务器端

import java.io.BufferedReader;  

import java.io.IOException;  

import java.io.InputStreamReader;  

import java.io.PrintWriter;  

import java.net.ServerSocket;  

import java.net.Socket;  

public class Server   

{  

    private ServerSocket ss;  

    private Socket socket;  

    private BufferedReader in;  

    private PrintWriter out;  

    public Server()   

    {  

        try   

        {  

            ss = new ServerSocket(10000);  

            System.out.println("The server is waiting your input...");  

            while(true)   

            {  

                socket = ss.accept();  

                in = new BufferedReader(new InputStreamReader(socket.getInputStream()));  

                out = new PrintWriter(socket.getOutputStream(), true);  

                String line = in.readLine();  

                System.out.println("you input is : " + line);  

                //out.println("you input is :" + line);  

                out.close();  

                in.close();  

                socket.close();  

                if(line.equalsIgnoreCase("quit") || line.equalsIgnoreCase("exit"))  

                    break;  

            }  

            ss.close();  

        } catch (IOException e) {  

            e.printStackTrace();  

        }  

    }  

    public static void main(String[] args)   

        new Server();  

}  

客户端 java的

import java.io.*;  

import java.net.*;  

public class Client   

    Socket socket;  

    BufferedReader in;  

    PrintWriter out;  

    public Client()   

            socket = new Socket("127.0.0.1", 10000);  

            in = new BufferedReader(new InputStreamReader(socket.getInputStream()));  

            out = new PrintWriter(socket.getOutputStream(), true);  

            BufferedReader line = new BufferedReader(new InputStreamReader(System.in));  

            out.println(line.readLine());  

            line.close();  

            out.close();  

            in.close();  

            socket.close();  

        new Client();