E-Learning Management System Class Diagram describes the structure of a E-Learning Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the E-Learning Management System are Course, Students, Shedules, Fees, Durations, Training.

E-library Management System Class Diagram describes the structure of a E-library Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the E-library Management System are Course, Students, Shedules, Fees, Durations, Books.

E-Voting Management System Class Diagram describes the structure of a E-Voting Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the E-Voting Management System are Voting, Register, Candidate, Citizen, Polling, Result.

Ecare System Class Diagram describes the structure of a Ecare System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Ecare System are Customer, Organization, Employees, Logins, Information, Invetories.

Election Management System Class Diagram describes the structure of a Election Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Election Management System are Elections, Candidates, Election Commision Rules, Votes, Registration, poll.

Electricity Bill Payment System Class Diagram describes the structure of a Electricity Bill Payment System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Electricity Bill Payment System are Bills, Customers, Connections, Units, Readings, Consuptions.

Employee Attendance System Class Diagram describes the structure of a Employee Attendance System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Employee Attendance System are Attendance, Employees, Holidays, Leave, Login, salary.

Employee Management System Class Diagram describes the structure of a Employee Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Employee Management System are Employee, Salary, Leaves, Experience, Login, Attendance.

Enrollment System Class Diagram describes the structure of a Enrollment System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Enrollment System are Enrollment, Student, Course, Fees, Examination, Login.

Error Tracking System Class Diagram describes the structure of a Error Tracking System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Error Tracking System are Error, Tracking, Tester, Developer, Project Manager, Project.