java例程练习（网络编程[简单网络连接试验]）

import java.net.*; import java.io.*; public class TestTCPServer { public static void main(String[] args) { try { ServerSocket ss = new ServerSocket(6666);//阻塞式的 while(true) { //未经行异常处理！ // Socket s = ss.accept(); // DataInputStream dis = // new DataInputStream(s.getInputStream()); // System.out.println(dis.readUTF());//也是阻塞式的 // dis.close(); // s.close(); Socket s1 = ss.accept(); OutputStream os = s1.getOutputStream(); DataOutputStream dos = new DataOutputStream(os); dos.writeUTF("Hello," + s1.getInetAddress() + "port#" + s1.getPort()+ " bye-bye!"); dos.close(); s1.close(); } } catch (IOException e) { e.printStackTrace(); System.out.println("程序运行出错： " + e); } } } import java.net.*; import java.io.*; public class TestTCPClient { public static void main(String[] args) { try { Socket s = new Socket("127.0.0.1", 6666); //未经行异常处理！ // OutputStream os = s.getOutputStream(); // DataOutputStream dos = new DataOutputStream(os); // // Thread.sleep(3000); // dos.writeUTF("Hello Server!"); // dos.flush(); // dos.close(); // s.close(); InputStream is = s.getInputStream(); DataInputStream dis = new DataInputStream(is); System.out.println(dis.readUTF()); dis.close(); s.close(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }