o1.train
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numberOfRows: Int, val seatsPerRow: Int) extends TrainCar
The class SittingCar represents passenger cars with seats in a train ticket reservation system. Each sitting car has rows of seats, which are numbered starting from one upwards. Each row has a number of seats, identified by letters starting from 'a'.
The class SittingCar represents passenger cars with seats in a train ticket reservation system. Each sitting car has rows of seats, which are numbered starting from one upwards. Each row has a number of seats, identified by letters starting from 'a'.
When created, all the seats in a sitting car are unreserved. This changes as reservations are made.
In this simple implementation, no data is stored about who has reserved which seat.
Parameters
- numberOfRows
-
the number of seat rows in the car
- seatsPerRow
-
the number of seats in each row
Attributes
- Supertypes
numberOfCabins: Int) extends TrainCar
The class SleepingCar represents sleeping cars in a train ticket reservation system. Each sleeping car is divided in equal-sized cabins which have a set number of places (beds) for passengers. The cabins are numbered from one upwards.
The class SleepingCar represents sleeping cars in a train ticket reservation system. Each sleeping car is divided in equal-sized cabins which have a set number of places (beds) for passengers. The cabins are numbered from one upwards.
When created, all the cabins in a sleeping car are unreserved. This changes as reservations are made.
This implementation is intended to work in such a way that whenever anyone reserves any places in the car, at least one full cabin is reserved. Multiple reservations can never share a cabin.
In this simple implementation, no data is stored about who has reserved which cabins.
Parameters
- numberOfCabins
-
the number of cabins in this sleeping car
Attributes
- See also
- Companion
- object
- Supertypes
This companion object of the SleepingCar class merely provides a named constant that the class uses.
This companion object of the SleepingCar class merely provides a named constant that the class uses.
Attributes
- See also
-
the class SleepingCar
- Companion
- class
- Supertypes
- Self type
-
SleepingCar.type
The class Train represents trains which consist of a number of passenger cars. The cars are numbered from one upwards (starting from the head of the train).
The class Train represents trains which consist of a number of passenger cars. The cars are numbered from one upwards (starting from the head of the train).
A train object is mutable. New cars can be added to it with the addCar method, but initially a train has no cars. Trains have a maximum length (in cars) which they must not exceed.
A train may contain cars of various types, that is, instances of any class that extends TrainCar.
Parameters
- description
-
a description of the train, e.g. "From Helsinki to Oulu, leaves at 8:13"
Attributes
- Companion
- object
- Supertypes
This companion object of the Train class merely provides a named constant that the class uses.
This trait represents the passenger cars of a train in a train ticket reservation system. It describes the common operations of all passenger car types. Different classes representing different kinds of train cars will have different implementations for these operations.
This trait represents the passenger cars of a train in a train ticket reservation system. It describes the common operations of all passenger car types. Different classes representing different kinds of train cars will have different implementations for these operations.
In this simple implementation, no data is stored about who has reserved which places (seats, beds, or the like) in the cars. A car object only keeps track of whether a place is reserved or not.
A train car’s state is mutable; it changes as reservations are made.
Attributes
- Supertypes
- Known subtypes
-
class SittingCarclass SleepingCar