helloclient.java

《Java TCP/IP应用开发详解》的部分源程序,开发环境为ECLIPSE3.1

package section15;
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",4444);
		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.out.println(in.readLine());
	    System.exit(1);
	}
	System.out.println(in.readLine());
	out.close();
	in.close();
	helloSocket.close();
	}

}