关于Socket的一个问题
import java.net.ServerSocket;import java.net.Socket;import java.io.*;/** *send string to each connected client */public class MainClass4 extends Thread{ Socket socket; public void run() { try { String s="I am a server."; PrintWriter pw=new PrintWriter(socket.getOutputStream(),true); pw.println(s); socket.close(); } catch(Exception e) { System.out.println(e); } } /** *main entry */ public static void main(String[] args)throws Exception { ServerSocket ssock=new ServerSocket(8080); while(true) { Socket esock=null; esock=ssock.accept(); System.out.println("Connected"); MainClass4 t=new MainClass4(); t.socket=esock; t.start(); esock.close(); } }}
import java.io.*;import java.net.*;/** *MainClass4 Client */public class MainClass4Client{ /** *mian entry */ public static void main(String[]args)throws IOException { Socket sock=null; BufferedReader bin=null; try { sock=new Socket("localhost",8080); bin=new BufferedReader(new InputStreamReader(sock.getInputStream())); } catch(UnknownHostException e) { System.err.println("Don't know about host localhost"); System.exit(1); } catch(IOException e) { System.err.println(e); } System.out.println(bin.readLine()); bin.close(); sock.close(); }}