Invoice Management System Class Diagram describes the structure of a Invoice Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Invoice Management System are Product, Client, Client Quote, Payment, Supplier, Account.

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

Job Portal System Class Diagram describes the structure of a Job Portal System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Job Portal System are Employee, Registration, Job, Interview, Search, Call Letter.

Jwellary Shop Management System Class Diagram describes the structure of a Jwellary Shop Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Jwellary Shop Management System are Jwellery, Stock, Sales, Quality, Payment, Product.

Jwellary Shoping System Class Diagram describes the structure of a Jwellary Shoping System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Jwellary Shoping System are Customer, Supplier, Purchase, Sale, Gross, Stock.

KBC Quiz System Class Diagram describes the structure of a KBC Quiz System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the KBC Quiz System are Questions, Answers, Pattenrs, Participants, Points, Level.

Laboratory Inventory System Class Diagram describes the structure of a Laboratory Inventory System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Laboratory Inventory System are Items, Annotate Items, Calculate Inventory Valuation, Maintenance, Track Items, Record Information.

Laboratory Management System Class Diagram describes the structure of a Laboratory Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Laboratory Management System are Student, Lab, Report, Update, Complete Information, Point.

Leave Approval System Class Diagram describes the structure of a Leave Approval System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Leave Approval System are Leave, Notification, Company, Branch, Report, Employee.

Leave Management System Class Diagram describes the structure of a Leave Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the Leave Management System are Company, Branch, Report, Leave, Notification, Employee.