Class Diagram for LinkedIn

Learn to create a class diagram for LinkedIn using the bottom-up approach.

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In this lesson, we’ll identify and design classes, abstract classes, and interfaces based on the requirements gathered from the interviewer through our LinkedIn system.

Components of LinkedIn

As mentioned, we will design the LinkedIn system using a bottom-up approach.

Education, experience, and skill

The Education, Experience, Achievement, and Skill classes provide relevant information and comprise the Profile class.

These classes are represented below:

The Education, Achievement, Experience, and Skill classes
The Education, Achievement, Experience, and Skill classes

Recommendation, achievement, and analytics

The Recommendation, and Analytics classes are used to provide relevant information and make up the Profile class.

These classes are represented below:

The Recommendation and Analytics classes
The Recommendation and Analytics classes

Profile

The Profile class contains the personal information of a LinkedIn user, including their profile, cover photo, work experiences, educational details, skills, and achievements.

The visual representation of the Profile class is given below:

The Profile class
The Profile class

Company page, job, and group

The CompanyPage class represents a particular page for a company that exists on LinkedIn. It contains the name, description, company size, and other relevant details.

The Job class contains information about a job posting at a specific company, as well as current job openings.

The Group class represents a particular group that exists on the LinkedIn platform. This will contain the name, description, total number of users, and a unique ID to identify the group.

The representation of these classes is given below:

The CompanyPage, Job, and Group classes
The CompanyPage, Job, and Group classes

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