Provident Fund System Class Diagram describes the structure of a Provident Fund System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Provident Fund System are Provident Fund, Employees, Compnay Shares, Registration, Contributions, Users.

Quiz Management System Class Diagram describes the structure of a Quiz Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Quiz Management System are Quiz, Participate, Score, Academic, Winner, Prize.

Railway Enquiry System Class Diagram describes the structure of a Railway Enquiry System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Railway Enquiry System are Trains, Timetable, Fare, Stations, Seats Availability, Routes.

Railway Management System Class Diagram describes the structure of a Railway Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Railway Management System are Stations, Booking, Customers, Trains, Timetable, Employee.

Railway Reservation System Class Diagram describes the structure of a Railway Reservation System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Railway Reservation System are Train, Ticket, Booking, Customer, Payment, Train Route.

Railway Ticket Booking Portal Class Diagram describes the structure of a Railway Ticket Booking Portal classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Railway Ticket Booking Portal are Trains, Timetable, Fare, Stations, Booking, Customers.

Railway Ticket Reservation system Class Diagram describes the structure of a Railway Ticket Reservation system classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Railway Ticket Reservation system are Trains, Timetable, Fare, Stations, Booking, Customers.

Recruitment Magement System Class Diagram describes the structure of a Recruitment Magement System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Recruitment Magement System are Agencies, Employee, Jobs, Campus, Placements, Inteviews.

Recruitment Officer System Class Diagram describes the structure of a Recruitment Officer System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Recruitment Officer System are Placements, Users, Company, Resumes, Skills, Registration.

Reseller Management System Class Diagram describes the structure of a Reseller Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Reseller Management System are Reseller, Order, Customer, Company, Sold License, Company Type.