Servlet Lifecycle

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Sun Nov 03 2024 16:32:11 GMT+0000 (Coordinated Universal Time)

Saved by @login123 

package Manish;

import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
/**
 * Servlet implementation class LifeCycleExample
 */
@WebServlet("/LifeCycleExample")
public class LifeCycleExample extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LifeCycleExample() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Servlet#init(ServletConfig)
	 */
	public void init(ServletConfig config) throws ServletException {
		super.init(config);
		System.out.println("Iam from init() method");
	}

	/**
	 * @see Servlet#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
		System.out.println("Iam from destroy() method");
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
		response.setContentType("text/html");
		try(PrintWriter out = response.getWriter())
		{
			out.println("<h3>Response from doGet() method</h3>");
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
		response.setContentType("text/html");
		try(PrintWriter out = response.getWriter())
		{
			out.println("<h3>Response from doPost() method</h3>");
		}
	}

}
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