Question 1

Draw Use Case Diagram and Deployment Diagram for Online Shopping System. Make necessary assumptions required.

Accepted Answer

An Online Shopping System enables users to browse, select, and purchase products online. We will assume a typical e-commerce architecture involving user interaction, application logic, data storage, and external payment processing. This system supports two primary internal actors: `Customer` and `Administrator`, and one external actor: `Payment Gateway`.

For the Use Case Diagram, the `Customer` actor interacts with use cases such as `Register Account`, `Login`, `Browse Products`, `Search Produc

Question 2

Draw Class Diagram for Online Shopping System. Make necessary assumptions required.

Accepted Answer

A Class Diagram, a fundamental component of Object-Oriented Analysis and Design (OOAD) as discussed in MCSL-222, visually represents the static structure of a system by showing its classes, attributes, methods, and relationships. For an Online Shopping System, we assume standard functionalities like user registration, product browsing, cart management, order placement, and payment processing.

Our Class Diagram would typically feature core classes such as `User`, `Customer`, `Admin`, `Product`,

Question 3

Write a program using JDBC and JSP to support editing (address modification, mobile number/ email id update) of customers of online shopping portal. The program should take email-id or registered mobile number as input.

Accepted Answer

An Online Shopping System enables users to browse, select, and purchase products online. We will assume a typical e-commerce architecture involving user interaction, application logic, data storage, and external payment processing. This system supports two primary internal actors: `Customer` and `Administrator`, and one external actor: `Payment Gateway`.

For the Use Case Diagram, the `Customer` actor interacts with use cases such as `Register Account`, `Login`, `Browse Products`, `Search Produc

Question 4

Write a program to create simple CRUD (Create, Read, Update, and Delete) application using Spring Boot and Hibernate for Online Examination Registration System. Make necessary assumptions required.

Accepted Answer

A Class Diagram, a fundamental component of Object-Oriented Analysis and Design (OOAD) as discussed in MCSL-222, visually represents the static structure of a system by showing its classes, attributes, methods, and relationships. For an Online Shopping System, we assume standard functionalities like user registration, product browsing, cart management, order placement, and payment processing.

Our Class Diagram would typically feature core classes such as `User`, `Customer`, `Admin`, `Product`,

MCSL-222 Solved Assignment — January 2026 / July 2025

OOAD and Web Technologies Lab | IGNOU Master of Computer Applications (MCA)

MCSL-222—January 2026 / July 2025

OOAD and Web Technologies Lab

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MCSL-222 Assignment Questions — January 2026

QQ1. Draw Use Case Diagram and Deployment Diagram for Online Shopping System. Make necessary assumptions required.

QQ2. Draw Class Diagram for Online Shopping System. Make necessary assumptions required.

QQ1. Write a program using JDBC and JSP to support editing (address modification, mobile number/ email id update) of customers of online shopping portal. The program should take email-id or registered mobile number as input.

QQ2. Write a program to create simple CRUD (Create, Read, Update, and Delete) application using Spring Boot and Hibernate for Online Examination Registration System. Make necessary assumptions required.