sockets.java

刘艺编著的java教程的课本习题加例题代码 很有用哦！

import java.net.*;
import java.io.*;

public class SocketS{

  private ServerSocket ss;
  private Socket socket;
  private BufferedReader in;
  private PrintWriter out;

  public SocketS(){
    try{
      try{
         ss = new ServerSocket(10000);  //创建套接字对象
      }catch(Exception e){
        System.out.println("监听端口出错!"+e);
      }
      try{
        socket = ss.accept();                 //用accept方法等待客户端的呼叫
      }catch(IOException e){
        System.out.println("连接出错！"+e);
      }
      InputStream ips=socket.getInputStream();     //获取套接字输入流
      OutputStream ops=socket.getOutputStream();  //获取套接字输出流
      ops.write("Welcome!".getBytes());           //向客户端发送字符串

      byte[] buf=new byte[1024];
      int len=ips.read(buf);                   //接受客户端传送过来的信息
      System.out.println(new String(buf,0,len));
      ips.close();                            //关闭有关的资源
      ops.close();
      socket.close();
      ss.close();
    }catch (IOException e){
     System.out.println("错误！"+e);
    }
  }

  public static void main(String[] args){
     new SocketS();
  }
}