This is the UML sequence diagram of Photo Gallery System which shows the interaction between the objects of Media, Login, Image, Wallpaper, Uploads. The instance of class objects involved in this UML Sequence Diagram of Photo Gallery System are as follows:

• Media Object
• Login Object
• Image Object
• Wallpaper Object
• Uploads Object

This is the UML sequence diagram of Patient Management System which shows the interaction between the objects of Doctor, Doctor Schedule, Medicine, Test, Diease. The instance of class objects involved in this UML Sequence Diagram of Patient Management System are as follows:

• Doctor Object
• Doctor Schedule Object
• Medicine Object
• Test Object
• Diease Object

This is the UML sequence diagram of Payment Management System which shows the interaction between the objects of Account, Payment Mode, Branch, Location, Bill. The instance of class objects involved in this UML Sequence Diagram of Payment Management System are as follows:

• Account Object
• Payment Mode Object
• Branch Object
• Location Object
• Bill Object

This is the UML sequence diagram of Payroll Management System which shows the interaction between the objects of Payroll, Salary, Employee, Payments, Appraisals. The instance of class objects involved in this UML Sequence Diagram of Payroll Management System are as follows:

• Payroll Object
• Salary Object
• Employee Object
• Payments Object
• Appraisals Object

This is the UML sequence diagram of Petrol Pump Management System which shows the interaction between the objects of Inventory, Reading, Sales, Fule, Tankers. The instance of class objects involved in this UML Sequence Diagram of Petrol Pump Management System are as follows:

• Inventory Object
• Reading Object
• Sales Object
• Fule Object
• Tankers Object

This is the UML sequence diagram of Pharmacy Management System which shows the interaction between the objects of Inventory, Sells, Medicines, Company, Pharmacy. The instance of class objects involved in this UML Sequence Diagram of Pharmacy Management System are as follows:

• Inventory Object
• Sells Object
• Medicines Object
• Company Object
• Pharmacy Object

This is the UML sequence diagram of Placement Cell Management System which shows the interaction between the objects of Job, Company, Applicant, College, Qualification. The instance of class objects involved in this UML Sequence Diagram of Placement Cell Management System are as follows:

• Job Object
• Company Object
• Applicant Object
• College Object
• Qualification Object

This is the UML sequence diagram of Poll Survey System which shows the interaction between the objects of Users, Polls, Registration, Survey, Results. The instance of class objects involved in this UML Sequence Diagram of Poll Survey System are as follows:

• Users Object
• Polls Object
• Registration Object
• Survey Object
• Results Object

This is the UML sequence diagram of Placement Office Automation System which shows the interaction between the objects of Resumes, Registration, Placements, Skills, Company. The instance of class objects involved in this UML Sequence Diagram of Placement Office Automation System are as follows:

• Resumes Object
• Registration Object
• Placements Object
• Skills Object
• Company Object

This is the UML sequence diagram of Patient Information System which shows the interaction between the objects of Treatment, Appoitments, Medicine, Patient, Doctors. The instance of class objects involved in this UML Sequence Diagram of Patient Information System are as follows:

• Treatment Object
• Appoitments Object
• Medicine Object
• Patient Object
• Doctors Object