helloworld.java

Java网络编程与分布式计算, 主要分析java网络各方面的编程, 提供许多实用安全

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

// Chapter 10, Listing 1
public class HelloWorld extends javax.servlet.http.HttpServlet
{
    public void doGet(HttpServletRequest req,
      HttpServletResponse res)
      throws IOException
    {
		// Set the content type of the response
		res.setContentType("text/html");

		// Get output stream and writers
		OutputStream out  = res.getOutputStream();
        PrintWriter pw = new PrintWriter ( new BufferedWriter (
                  new OutputStreamWriter ( out ) ) );

		// Print "Hello World" message
		pw.println ("<CENTER><H3> Hello World </H3></CENTER>");
                	pw.flush();
		pw.close();
    }
}