How To Create Servelets In Java?

A very simple hello world servlet would look like this:

package test;

import java.io.*;

import javax.servlet.http.*;
import javax.servlet.*;

public class HelloServlet extends HttpServlet {
public void doGet (HttpServletRequest req,
HttpServletResponse res)
throws ServletException, IOException
{
PrintWriter out = res.getWriter();

out.println("Hello, world!");
out.close();
}
}

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