This is the UML sequence diagram of Mobile Service Enqiry System which shows the interaction between the objects of Models, Payment, Warranty, Customer, Problem. The instance of class objects involved in this UML Sequence Diagram of Mobile Service Enqiry System are as follows:

• Models Object
• Payment Object
• Warranty Object
• Customer Object
• Problem Object

This is the UML sequence diagram of Mobile Phone Billing System which shows the interaction between the objects of Connection, Payments, Bill, Tarrif, Customer. The instance of class objects involved in this UML Sequence Diagram of Mobile Phone Billing System are as follows:

• Connection Object
• Payments Object
• Bill Object
• Tarrif Object
• Customer Object

This is the UML sequence diagram of Metro Rail Ticket Booking System which shows the interaction between the objects of Stations, Booking Counter, Metro, Route, Fare. The instance of class objects involved in this UML Sequence Diagram of Metro Rail Ticket Booking System are as follows:

• Stations Object
• Booking Counter Object
• Metro Object
• Route Object
• Fare Object

This is the UML sequence diagram of Mailing System which shows the interaction between the objects of Mailbox, MailserverAdress, Subject, Userdata, Domain. The instance of class objects involved in this UML Sequence Diagram of Mailing System are as follows:

• Mailbox Object
• MailserverAdress Object
• Subject Object
• Userdata Object
• Domain Object

This is the UML sequence diagram of Library Inventory System which shows the interaction between the objects of Author, Student, Category, Address, Store. The instance of class objects involved in this UML Sequence Diagram of Library Inventory System are as follows:

• Author Object
• Student Object
• Category Object
• Address Object
• Store Object

This is the UML sequence diagram of Library Management System which shows the interaction between the objects of Librarian, Issues, Address, Member, Student. The instance of class objects involved in this UML Sequence Diagram of Library Management System are as follows:

• Librarian Object
• Issues Object
• Address Object
• Member Object
• Student Object

This is the UML sequence diagram of Live Photo Galelry Portal which shows the interaction between the objects of Uploads, Image, Category, Download, Type. The instance of class objects involved in this UML Sequence Diagram of Live Photo Galelry Portal are as follows:

• Uploads Object
• Image Object
• Category Object
• Download Object
• Type Object

This is the UML sequence diagram of Login Authentication System which shows the interaction between the objects of Permission and Authrozation, Password, Username, Change Password, Groups. The instance of class objects involved in this UML Sequence Diagram of Login Authentication System are as follows:

• Permission and Authrozation Object
• Password Object
• Username Object
• Change Password Object
• Groups Object

This is the UML sequence diagram of Login Management System which shows the interaction between the objects of Password, Register, Programmer, Username, Change Password. The instance of class objects involved in this UML Sequence Diagram of Login Management System are as follows:

• Password Object
• Register Object
• Programmer Object
• Username Object
• Change Password Object

This is the UML sequence diagram of Media Management System which shows the interaction between the objects of Media, Videos, Uploads, Images, Category. The instance of class objects involved in this UML Sequence Diagram of Media Management System are as follows:

• Media Object
• Videos Object
• Uploads Object
• Images Object
• Category Object