MCS-220 Solved Assignment 2025-26

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MCS-220 Solved Assignment 2025-26 Available

Q1:(a) What is a Singleton Design Pattern? Explain a scenario where it is useful in a web application and provide a Java code example for its implementation.

(b) Differentiate between a Web Server and a Web Container. Explain the core components of the Model-View-Controller (MVC) architecture with a suitable diagram

Q2:(a) Explain the two primary mechanisms for servlet communication: RequestDispatcher and sendRedirect. Highlight the key differences between them with an example.

(b) What is Session Management in a web application? Briefly explain the different techniques used to manage sessions in Servlets.

Q3: (a) What are JSP Implicit Objects? Explain the purpose and use of the request, response, session, and out implicit objects with code snippets.

(b) Explain the function of the following JSP Action Tags with suitable code examples:

i. <jsp:include>

ii. <jsp:forward>

iii. <jsp:useBean>

Q4: What do you mean by Maven? Explain the structure and purpose of a pom.xml file. Also, describe the key phases of the defaul: Maven build lifecycle.

Q5: Explain the concept of Inversion of Control (IoC) and Dependency Injection (DI) in the Spring Framework. Provide a simple example demonstrating DI using annotations.

Q6: (a) Explain how to perform Update and Delete operations in a web application using Spring Boot and Hibernate. Provide relevant code snippets for the Repository and Service layers.

(b) Explain how form validation is handled in Spring MVC. Provide an example of a model class with validation annotations and the corresponding Controller method to process it.

Q7: Explain the request processing workflow in a Spring MVC application. Describe the roles of the DispatcherServlet, Controller, and ViewResolver with the help of a diagram

Q8:(a) Describe the steps to configure Spring Security in a Spring Boot application using Java-based configuration. Show a basic security configuration class that secures all endpoints.

(b) Write a complete Servlet program that retrieves user data (e.g., name, email) from an HTML. form and inserts it into a database table using JDBC.

Q9: Write short notes on the following:

(*) Hibernate ORM Framework

(c) Spring Boot Actuator

(b) JSP Directives (page, inchide, taglib)