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 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 Institution Management System which shows the interaction between the objects of Student, Registartion, Fees, Faculty, Course. The instance of class objects involved in this UML Sequence Diagram of Institution Management System are as follows:

• Student Object
• Registartion Object
• Fees Object
• Faculty Object
• Course Object

This is the UML sequence diagram of Insurace Policy Enquiry System which shows the interaction between the objects of Buyers, Policy, Plans, Taxes, Insurance. The instance of class objects involved in this UML Sequence Diagram of Insurace Policy Enquiry System are as follows:

• Buyers Object
• Policy Object
• Plans Object
• Taxes Object
• Insurance Object

This is the UML sequence diagram of Insurance Information System which shows the interaction between the objects of Plans, Insurance, Taxes, Payments, Buyers. The instance of class objects involved in this UML Sequence Diagram of Insurance Information System are as follows:

• Plans Object
• Insurance Object
• Taxes Object
• Payments Object
• Buyers Object

This is the UML sequence diagram of internet Banking System which shows the interaction between the objects of Fund Transfer, Credit, Debit, Bank, Payee. The instance of class objects involved in this UML Sequence Diagram of internet Banking System are as follows:

• Fund Transfer Object
• Credit Object
• Debit Object
• Bank Object
• Payee Object

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 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 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

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