please write the java code for the UML class diagram

(and please don't copy and paste answers)

flights (abstract) -number -duration -departing airport -arrival airport -list of passengers -pilots -aircrafts +getters and setters for all of them +to string passenger flights cargo flights polymorphism between these three classes +add the list of passengers. + ticket price +add load of the flight in tons and the cost per ton +calculate the revenue of the flight based on (Load(Tons)*CostPer Ton) +to calculate the revenue of the flight based on(The summation of the ticket price of all passengers of the flight)