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Learn-by-Example: Case Study of an Internship Management System

This article provides a detailed case study of an Internship Management System using a class diagram. The diagram illustrates the key concepts, relationships, and functionalities of the system, offering insights into how different components interact to manage internship processes effectively.

Introduction

The Internship Management System is designed to streamline the process of managing internships for both students and companies. It involves various stakeholders, including students, companies, administrators, and supervisors. The system ensures efficient management of internship applications, feedback, and durations, providing a seamless experience for all users.

Key Concepts

1. Classes and Attributes

  • Student: Represents a student participating in the internship program.

    • Attributes: Major, AcademicYear

  • Admin Permission: Represents the permissions granted to administrators.

  • Company Supervisor: Represents a supervisor from a company who oversees internships.

    • Attributes: Company_Id

  • Users: Represents general users of the system.

    • Attributes: Id, Name, Gender, DateOfBirth, Email, Password, Phone

  • Company: Represents a company offering internships.

    • Attributes: Company_Id, Name, Location, Phone, Email, Website, CompanySupervisor_Id

  • Location: Represents the location of a company.

    • Attributes: Country, City, Street, PostCode, Description

  • Forms: Represents various forms related to internships.

    • Attributes: Id, Status, Submitted_date, Company_Id, Student_Id

  • Insurance Form: A type of form related to insurance.

    • Attributes: CompanySupervisor_Id, Picture, Student_ID/Passport

  • Application Form: A type of form for applying to internships.

    • Attributes: CompanySupervisor_Id

  • Confirmation Form: A type of form for confirming internships.

    • Attributes: Duration, WorkToBeDone

  • Feedback: Represents feedback provided by students or companies.

    • Attributes: Id, Student_Id, Company_Id, Description

  • Internship: Represents an internship opportunity.

    • Attributes: Id, Student_Id, Company_Id, Admin_Id, CompanySupervisor_Id, Feedback, Duration, Skill_required, Title

  • Duration: Represents the duration of an internship.

    • Attributes: Type, Start_Date, End_Date

2. Relationships

  • Association: Indicates a relationship between two classes.
  • Aggregation: Indicates a whole-part relationship where the part can exist independently.
  • Composition: Indicates a whole-part relationship where the part cannot exist independently.
  • Dependency: Indicates that one class depends on another.
  • Generalization: Indicates an inheritance relationship.

Case Study: Internship Management System

1. Overview

The Internship Management System is designed to manage the internship process for students and companies. It involves various stakeholders, including students, administrators, company supervisors, and users. The system ensures efficient management of internship applications, feedback, and durations, providing a seamless experience for all users.

2. Classes and Their Roles

Student

  • Purpose: Represents a student participating in the internship program.
  • Attributes:
    • Major: The student’s major.
    • AcademicYear: The student’s academic year.

Admin Permission

  • Purpose: Represents the permissions granted to administrators.

Company Supervisor

  • Purpose: Represents a supervisor from a company who oversees internships.
  • Attributes:
    • Company_Id: The unique identifier for the company.

Users

  • Purpose: Represents general users of the system.
  • Attributes:
    • Id: The unique identifier for the user.
    • Name: The name of the user.
    • Gender: The gender of the user.
    • DateOfBirth: The date of birth of the user.
    • Email: The email address of the user.
    • Password: The password of the user.
    • Phone: The phone number of the user.

Company

  • Purpose: Represents a company offering internships.
  • Attributes:
    • Company_Id: The unique identifier for the company.
    • Name: The name of the company.
    • Location: The location of the company.
    • Phone: The phone number of the company.
    • Email: The email address of the company.
    • Website: The website of the company.
    • CompanySupervisor_Id: The unique identifier for the company supervisor.

Location

  • Purpose: Represents the location of a company.
  • Attributes:
    • Country: The country where the company is located.
    • City: The city where the company is located.
    • Street: The street address of the company.
    • PostCode: The postal code of the company.
    • Description: A description of the location.

Forms

  • Purpose: Represents various forms related to internships.
  • Attributes:
    • Id: The unique identifier for the form.
    • Status: The status of the form.
    • Submitted_date: The date when the form was submitted.
    • Company_Id: The unique identifier for the company.
    • Student_Id: The unique identifier for the student.

Insurance Form

  • Purpose: A type of form related to insurance.
  • Attributes:
    • CompanySupervisor_Id: The unique identifier for the company supervisor.
    • Picture: A picture related to the insurance.
    • Student_ID/Passport: The student’s ID or passport number.

Application Form

  • Purpose: A type of form for applying to internships.
  • Attributes:
    • CompanySupervisor_Id: The unique identifier for the company supervisor.

Confirmation Form

  • Purpose: A type of form for confirming internships.
  • Attributes:
    • Duration: The duration of the internship.
    • WorkToBeDone: The work to be done during the internship.

Feedback

  • Purpose: Represents feedback provided by students or companies.
  • Attributes:
    • Id: The unique identifier for the feedback.
    • Student_Id: The unique identifier for the student.
    • Company_Id: The unique identifier for the company.
    • Description: A description of the feedback.

Internship

  • Purpose: Represents an internship opportunity.
  • Attributes:
    • Id: The unique identifier for the internship.
    • Student_Id: The unique identifier for the student.
    • Company_Id: The unique identifier for the company.
    • Admin_Id: The unique identifier for the administrator.
    • CompanySupervisor_Id: The unique identifier for the company supervisor.
    • Feedback: Feedback related to the internship.
    • Duration: The duration of the internship.
    • Skill_required: The skills required for the internship.
    • Title: The title of the internship.

Duration

  • Purpose: Represents the duration of an internship.
  • Attributes:
    • Type: The type of duration (e.g., full-time, part-time).
    • Start_Date: The start date of the internship.
    • End_Date: The end date of the internship.

3. Relationships and Interactions

Association

  • Student and Feedback: A student provides feedback.
  • Company Supervisor and Company: A company supervisor is associated with a company.
  • Users and Company: Users are associated with a company.
  • Company and Location: A company has a location.
  • Forms and Company: Forms are associated with a company.
  • Forms and Student: Forms are associated with a student.
  • Internship and Feedback: An internship has feedback.
  • Internship and Duration: An internship has a duration.

Aggregation

  • Company and Location: A company aggregates a location.
  • Forms and Insurance Form: Forms aggregate insurance forms.
  • Forms and Application Form: Forms aggregate application forms.
  • Forms and Confirmation Form: Forms aggregate confirmation forms.

Composition

  • Internship and Feedback: An internship composes feedback.
  • Internship and Duration: An internship composes duration.

Dependency

  • Internship depends on Feedback and Duration.

Generalization

  • Duration is generalized into Partial and Full.

4. Use Cases

Use Case 1: Applying for an Internship

  1. A student fills out an application form.
  2. The application form is submitted to the company.
  3. The company reviews the application and provides feedback.
  4. The student receives feedback and confirmation of the internship.

Use Case 2: Providing Feedback

  1. A student completes an internship.
  2. The student provides feedback on the internship experience.
  3. The feedback is recorded in the system.

Use Case 3: Managing Internship Durations

  1. An administrator sets the duration for an internship.
  2. The duration is recorded in the system.
  3. The student and company are notified of the internship duration.

 

5. Conclusion

The Internship Management System, as illustrated by the class diagram, provides a comprehensive solution for managing internship processes. By understanding the key concepts, relationships, and use cases, one can effectively design and implement a robust internship management system. This system ensures efficient management of internship applications, feedback, and durations, providing a seamless experience for both students and companies.

This case study demonstrates the practical application of class diagrams in modeling complex systems, highlighting the importance of understanding relationships and interactions between different components.

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