User+ userID : int+ username : String+ password : String

Login+ loginID : int+ username : String+ password : String+ loginDate : String

Student+ studentID : int+ name : String+ roomNo : String+ phone : String+ email : String

Room+ roomNo : int+ type : String+ capacity : int

Complaint Record+ complaintID : int+ complaint : String+ status : String+ date : DATE+ files

Fee Payment+ feeID : int+ date : Date+ amount : double+ chequeNumber : void+ chequeDate : double

Host+ hostID : int+ hostName : String+ address : String+ addHost()+ updateHost()+ viewRooms()

Staff+ staffID : int+ name : String+ role : String+ contact : String

Staff Duty+ dutyID : int+ task : String+ startDate : Date+ endDate : Date+ updateDutyStatus()+ viewDutyList()

Visitor Record+ visitorID : int+ visitorName : String+ purpose : String+ date : Date+ parkDate+ addVisitor()+ updateVisitor()+ viewVisitorLog()

Maintenance Record+ maintenanceID : int+ taskDesc : String+ startDate : Date+ endDate : Date+ addMaintenance()+ updateMaintenance()+ terminateMaintenance()

class