This is the UML sequence diagram of Internet Cafe System which shows the interaction between the objects of Bill, Users, Time slot, Speed, Hours. The instance of class objects involved in this UML Sequence Diagram of Internet Cafe System are as follows:

• Bill Object
• Users Object
• Time slot Object
• Speed Object
• Hours Object

This is the UML sequence diagram of Internet Chat System which shows the interaction between the objects of Conference, Individual, Group, Status, Notifications. The instance of class objects involved in this UML Sequence Diagram of Internet Chat System are as follows:

• Conference Object
• Individual Object
• Group Object
• Status Object
• Notifications Object

This is the UML sequence diagram of Internet Monitoring System which shows the interaction between the objects of Customer, Time Plan, User Code, History Report, User's Rate. The instance of class objects involved in this UML Sequence Diagram of Internet Monitoring System are as follows:

• Customer Object
• Time Plan Object
• User Code Object
• History Report Object
• User's Rate Object

This is the UML sequence diagram of Inventory Management System which shows the interaction between the objects of Inventory, Reciving Stock, Payment, Customer, Supplier. The instance of class objects involved in this UML Sequence Diagram of Inventory Management System are as follows:

• Inventory Object
• Reciving Stock Object
• Payment Object
• Customer Object
• Supplier Object

This is the UML sequence diagram of Issue Tracking System which shows the interaction between the objects of Tester, Project, Tracking, Bug, Developer. The instance of class objects involved in this UML Sequence Diagram of Issue Tracking System are as follows:

• Tester Object
• Project Object
• Tracking Object
• Bug Object
• Developer Object

This is the UML sequence diagram of Jwellary Shop Management System which shows the interaction between the objects of Payment, Quality, Sales, Jwellery, Product. The instance of class objects involved in this UML Sequence Diagram of Jwellary Shop Management System are as follows:

• Payment Object
• Quality Object
• Sales Object
• Jwellery Object
• Product Object

This is the UML sequence diagram of Job Portal System which shows the interaction between the objects of Interview, Search Job, Registration, Call Letter, Job. The instance of class objects involved in this UML Sequence Diagram of Job Portal System are as follows:

• Interview Object
• Search Job Object
• Registration Object
• Call Letter Object
• Job Object

This is the UML sequence diagram of Inventory Sales System which shows the interaction between the objects of Purchase, Inventory, Customer, Reciving Stock, Supplier. The instance of class objects involved in this UML Sequence Diagram of Inventory Sales System are as follows:

• Purchase Object
• Inventory Object
• Customer Object
• Reciving Stock Object
• Supplier Object

This is the UML sequence diagram of Invoice Management System which shows the interaction between the objects of Payment, Supplier, Product, Client, Product Quality. The instance of class objects involved in this UML Sequence Diagram of Invoice Management System are as follows:

• Payment Object
• Supplier Object
• Product Object
• Client Object
• Product Quality Object

This is the UML sequence diagram of Inventory System which shows the interaction between the objects of Worker, Warning, Customer, Expiry, Category. The instance of class objects involved in this UML Sequence Diagram of Inventory System are as follows:

• Worker Object
• Warning Object
• Customer Object
• Expiry Object
• Category Object