helloserver.java

java应用开发详解

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

public class helloServer 
{
    public static void main(String[] args) throws IOException 
    {	
        ServerSocket serverSocket = null;
        PrintWriter out = null;
        BufferedReader in = null;

        try 
        {
            serverSocket = new ServerSocket(1111);
            
        } 
        catch (IOException e) 
        {
            System.err.println("Could not listen on port: 1111.");
            System.exit(1);
        } 

	Socket clientSocket = null;
        try {
            clientSocket = serverSocket.accept();
        } catch (IOException e) {
            System.err.println("Accept failed.");
            System.exit(1);
        }
        
        out = new PrintWriter(clientSocket.getOutputStream(), true);
        //in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
        
        out.println("hello world!");
        

	out.close();
	//in.close();
	
	clientSocket.close();
        serverSocket.close();
    }
}