[java]代码库
import java.io.*;
import java.net.*;
/**
 *
 * @author Administrator
 */
public class SampleClient {
    public static void main(String[] arges) {
        try {
//获取一个IP。null表示本机 
            InetAddress addr = InetAddress.getByName(null);
//打开8888端口,与服务器建立连接 
            Socket sk = new Socket(addr, 8688);
//缓存输入 
            BufferedReader in = new BufferedReader(
                    new InputStreamReader(sk.getInputStream()));
//缓存输出 
            PrintWriter out = new PrintWriter(
                    new BufferedWriter(
                            new OutputStreamWriter(
                                    sk.getOutputStream())), true);
            //向服务器发送信息 
            out.println("你好,我是来自于客户端的信息哦!");
            //接收服务器信息 
            System.out.println(in.readLine());
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}