servlet Archives

Employee Management System JSP Servlet Project

July 18, 2025July 16, 2025 by manish

org. comp.model Employee Model – Employee.java package org.comp.model; import java.io.Serializable; import java.math.BigDecimal; import java.util.Objects; public class Employee implements Serializable { private static final long serialVersionUID = 1L; private Long id; private String name; private String department; private String designation; private BigDecimal salary; public Employee() { } public Employee(Long id, String name, String department, String designation, … Read more

Showing all request header in servlet

July 18, 2025July 10, 2025 by manish

This tutorial will find the read request header name and values in the servlet. There are many requests headers present like: host, connection, user-agent, cookie, etc. In the below project, we read the request project header names and values. Technology User apache-tomcat-9.0.71javaee-web-api 7.0 Java 1.8 Steps to develop this project Create a Java with Maven … Read more

How to do pagination in JSP with Servlet JDBC and MYSQL

July 18, 2025June 16, 2025 by manish

How to do pagination in JSP is very interesting concept let see step by step. What is Pagination? Pagination in programming refers to dividing an extensive data set into smaller, more manageable chunks called pages. It is commonly used when working with databases or APIs to efficiently handle large amounts of information. Advantages of Pagination? … Read more

Sending data to servlet HTTP get method

September 28, 2023September 28, 2023 by manish

Here we will discuss Servlet HTTP get method What is a Servlet? A servlet is a Java-based program that runs on a web server. It handles client requests and generates dynamic web content. Servlets are an integral part of Java EE (Enterprise Edition) and are widely used for web development. HTTP GET Method The HTTP … Read more

How to get multiple parameters in ServletContext

September 22, 2023September 22, 2023 by manish

index.html

        <title>Servlet Context Multiple Parameters</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    
    

<h1>Servlet Context Multiple Parameters</h1>

        <a href="get-servlet-context">Get Multiple  parameters in servlet context</a>

<title>Servlet Context Multiple Parameters</title>

<h1>Servlet Context Multiple Parameters</h1>

<a href="get-servlet-context">Get Multiple parameters in servlet context</a>

web.xml

<!--?xml version="1.0" encoding="UTF-8"?-->
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
    <context-param>
        <param-name>SiteName</param-name>
        <param-value>Ebhor.com</param-value>
    </context-param>
    <context-param>
        <param-name>Description</param-name>
        <param-value>Provides free tutorials</param-value>
    </context-param>
    <servlet>
        <servlet-name>ServletContext</servlet-name>
        <servlet-class>ebhor.servlet.ServletContext</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>ServletContext</servlet-name>
        <url-pattern>/get-servlet-context</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>
</web-app>

<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">

<context-param>

<param-name>SiteName</param-name>

<param-value>Ebhor.com</param-value>

</context-param>

<context-param>

<param-name>Description</param-name>

<param-value>Provides free tutorials</param-value>

</context-param>

<servlet-name>ServletContext</servlet-name>

<servlet-class>ebhor.servlet.ServletContext</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>ServletContext</servlet-name>

<url-pattern>/get-servlet-context</url-pattern>

</servlet-mapping>

<session-config>

<session-timeout>

</session-timeout>

</session-config>

</web-app>

ServletContext.java

package ebhor.servlet;

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


public class ServletContext extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html");
        Enumeration<string> params = getServletContext().getInitParameterNames();
        PrintWriter out = response.getWriter();
        out.println("
<h1>Getting multiple servlet context</h1>
");
        while (params.hasMoreElements()) {
            String name = params.nextElement();
            String value = getServletContext().getInitParameter(name);
            out.println("
<h2>" + name + ": " + value + "</h2>
");
        }

    }
}

</string>

package ebhor.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Enumeration;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class ServletContext extends HttpServlet {

@Override

protected void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("text/html");

Enumeration<string> params = getServletContext().getInitParameterNames();

PrintWriter out = response.getWriter();

out.println("

<h1>Getting multiple servlet context</h1>

");

while (params.hasMoreElements()) {

String name = params.nextElement();

String value = getServletContext().getInitParameter(name);

out.println("

<h2>" + name + ": " + value + "</h2>

");

}

</string>

Results Read More How to access ServletContext parameters How to access ServletConfig initial parameter value

How to insert data in MySql Using JSP Servlet & JDBC

September 22, 2023September 22, 2023 by manish

Here we will insert data in MySQL using JSP Servlet and JDBC. Here We will fetch Data from the JSP page and pass it to Servlet then DAO which contains JDBC code to store data in the MySQL database. How To Get Data From Database To Servlet Jdbc JSP Technology used Steps for Data insertion … Read more

Servlet Annotation WebServlet Example

September 22, 2023September 22, 2023 by manish

The first example is to show Servlet Welcome using Servlet Annotation WebServlet. For this we have created an index.html page on index.html we have created a link. On clicking on link it will call welcome servlet. Our project directory structure is as per below index.jsp

&lt;%@page contentType="text/html" pageEncoding="UTF-8"%&gt;

1	<%@page contentType="text/html" pageEncoding="UTF-8"%>

Show welcome servlet

Welcome.java

package ebhor.servlet;

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

@WebServlet(name = "Welcome", urlPatterns = {"/welcome"})
public class Welcome extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            out.println("");
            out.println("");
            out.println("");
            out.println("");
            out.println("");
            out.println("");
            out.println("

package ebhor.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

@WebServlet(name = "Welcome", urlPatterns = {"/welcome"})

public class Welcome extends HttpServlet {

@Override

protected void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("text/html;charset=UTF-8");

PrintWriter out = response.getWriter();

try {

out.println("");

out.println("

Servlet Welcome

");
            out.println("");
            out.println("");
        } finally {
            out.close();
        }
    }

}

");

out.println("");

} finally {

out.close();

}

Servlet Maven Configuration Example

September 22, 2023September 22, 2023 by manish

Maven is the Project Management Tool, that helps developers to build the project easily (make create, add, update, compile, test, and deploy work easily). You can download Maven from Official Site You can find the servlet dependency file here Technologies used here are as below Here we will start a new project with maven Select … Read more

getting all request parameters in servlet

September 22, 2023September 22, 2023 by manish

before this we have used request.getParameter(String) which is used to get a single request parameter value. Now if we want to get all parameter names then we have to use request.getParameterNames() it returns Enumeration of String objects of all parameter names. After getting all parameter names we can get its value using request.getParameter(String) . request.getParameterNames() … Read more

ServletConfig to access multiple initial parameter value

September 22, 2023September 22, 2023 by manish

ServletConfig is ued to configure the servlet. We can configure values in the ServletConfig object and can access them later on. There can one or more values can be stored. ServletConfig stores values in key values pair. ServletConfig to access initial parameter value All values are stored in key-value pairs in <servlet> the tag in … Read more