Simple HelloWorld Program

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 // Simple HelloWorld Program

import javax.servlet.*;
//Servlet Hello World Program

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

public class Servlet1 extends HttpServlet
{
    private String str;

    public void init() throws ServletException
    {
        str = "Hello World";
    }

    public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException
    {
        res.setContentType("text/html");

        PrintWriter out = res.getWriter();
        out.println("<h1>" + str + "<h1>");
    }
    public void destroy()
    {
        //do Nothing.
    }
}

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