HelloServlet.java

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import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import java.io.*;
import javax.servlet.*;
public class HelloServlet extends GenericServlet{
    @Override
    public void service(ServletRequest request,ServletResponse response) throws ServletException,IOException{
    response.setContentType("text/html");
    PrintWriter pw = response.getWriter();
    pw.println("<B>HEllo!Welcome to Servlet");
    pw.close();
    }
    
    
}