initializer inheritance & overriding, super.init explicitly

// initializer inheritance & overriding
class Resolute{
    let preInstalledChariets = 4
    let numberOfJupiters = 7
    let flightNavigationSystem = 2
    let lifeSupportSystem = 2
    let spaceSuits = 20
    var heatNavigationRadar = "Available in every module"
    
}
class jupiterOne: Resolute{
   var currentChariets = 4
    var currentSpacesuits = 16
    var description: String{
        return "available \(currentChariets) chariets, \(currentSpacesuits) space suits now"
    }
}
class jupiterOneModify: jupiterOne{
    override init(){
        super.init()
            currentChariets = 3
   }
}
let jupiterOneInfo = jupiterOneModify()
print(jupiterOneInfo.description)




// super.init explicitly
class SpaceStation{
    var numberOfSpacecrafts = 8
    var numberOfStations = 8
    var lifeSupportSystem = 4
    var description: String{
        return "\(numberOfSpacecrafts) spacecrafts available on station"
    }
}
class StationModify: SpaceStation{

    override init(){
        super.init() 
        numberOfSpacecrafts = 3 
    } 
    
    override var description: String{
        return "\(super.description), okay from super.init explicitly"
    }
}

var stationInfo = StationModify()
print(stationInfo.description)