Helpdesk Ticketing System Class Diagram describes the structure of a Helpdesk Ticketing System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Helpdesk Ticketing System are Ticket, Support, Helpdesk, Client, Issue, Track.

Hospital Management System Class Diagram describes the structure of a Hospital Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Hospital Management System are Hospitals, Patient, Doctors, Nurses, Appointments, Medicines.

Hostel Management System Class Diagram describes the structure of a Hostel Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Hostel Management System are Hostel, Beds, Rooms, Rent, Allotees, Payments.

Hotel Booking System Class Diagram describes the structure of a Hotel Booking System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Hotel Booking System are Payments, Booking, Customers, Hotel, Rooms, Services.

Hotel Management System Class Diagram describes the structure of a Hotel Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Hotel Management System are Hotel, Rooms, Services, Payments, Booking, Customers.

Hotel Room Management System Class Diagram describes the structure of a Hotel Room Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Hotel Room Management System are Hotel, Room, Booking, Payment, Customer, Hotel Employee.

HRD Management System Class Diagram describes the structure of a HRD Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the HRD Management System are Employee, Trainings, Appraisals, Departments, Salary, Salary slip.

Human Resource Management System Class Diagram describes the structure of a Human Resource Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Human Resource Management System are Employee, Trainings, Appraisals, Departments, Salary, Salary Slip.

Image Gallery Management System Class Diagram describes the structure of a Image Gallery Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Image Gallery Management System are Image, Gallery, Scanning, Downloading, Digital Image, User.

Instant Messaging System Class Diagram describes the structure of a Instant Messaging System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Instant Messaging System are Message, Conference, Client, Status, Theme, User.