helloclient.java

java应用开发详解

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

public class helloClient 
{
    public static void main(String[] args) throws IOException 
    {	
        Socket helloSocket = null;
        PrintWriter out = null;
        BufferedReader in = null;

        try 
        {
            helloSocket = new Socket ( "localhost", 1111); 
            out = new PrintWriter(helloSocket.getOutputStream(), true);
            in = new BufferedReader(new InputStreamReader(helloSocket.getInputStream()));
        } 
        catch (UnknownHostException e) 
        {
            System.err.println("Don't know about host: localhost.");
            System.exit(1);
        }
        catch (IOException e) 
        {
            System.err.println("Couldn't get I/O for the connection .");
            System.exit(1);
        } 

	
	System.out.println(in.readLine());

	out.close();
	in.close();
	
	helloSocket.close();
    }
}