Shipmen-String shipmenID-String origin-String destination-Date shipmentDate-String status+getShipmenID() : String+getShipmenID(String) : void+addVehicle(Vehicle) : void+assignTransport(Transport) : void+assignContainer(StorageContaine) : void+processShipment() : void+trackShipment() : String+calculateTotalCost() : double

abstract class Transport-String transportID-String transportType-double costPerKm-int maxCapacity+getTransportID() : String+setTransportID(String) : void+calculateTransportCost(double) : double+checkAvailability() : boolean+displayTransportInfo() : void

Continen-String continentName-String[] countries-boolean seaAccessible-boolean landAccessible+getContinentName() : String+setContinentName(String) : void+getAvailableTransportModes() : String[]+displayContinentInfo() : void

SeaTransport-String shipName-String portOfDeparture-String portOfArrival-int voyageDuration+getShipName() : String+setShipName(String) : void+calculateTransportCost(double km) : double+scheduleVoyage() : void+displayTransportInfo() : void

LandTransport-String vehicleType-String route-double distance+getVehicleType() : String+setVehicleType(String) : void+calculateTransportCost(double) : double+planRoute() : void+displayTransportInfo() : void

StorageContaine-String containerID-double length-double width-double height-int maxVehicles-boolean isSecure+getContainerID() : String+setContainerID(String) : void+loadVehicle(Vehicle) : boolean+unloadVehicle(Vehicle) : boolean+checkStability() : boolean+calculateCapacity() : double

abstract class Vehicle-String vehicleID-String model-String manufacturer-double price-String color-int year+getVehicleID() : String+setVehicleID(String) : void+getModel() : String+setModel(String) : void+calculateShippingCost() : double+displayVehicleInfo() : void

SmallVehicle-int capacity-double fuelConsumption-String engineType-int numberOfDoors+getCapacity() : int+setCapacity(int) : void+getFuelConsumption() : double+setFuelConsumption(double) : void+calculateShippingCost() : double+displayVehicleInfo() : void

LargeVehicle-int capacity-double fuelConsumption-int numberOfSeats-boolean slidingDoor+getCapacity() : int+setCapacity(int) : void+getFuelConsumption() : double+setFuelConsumption(double) : void+calculateShippingCost() : double+displayVehicleInfo() : void

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