war.swift

protocol WarCapable {
    var topSpeed : Double {get set}
    var shotsPerMinute : Int {get set}
}

protocol SpyCapable {
    var numberOfCameras : Int {get set}
}

class WarTank : WarCapable {
    var topSpeed: Double = 100.0
    var shotsPerMinute: Int = 5
}

class SpyJeep : WarCapable, SpyCapable{
    var topSpeed: Double = 200
    var shotsPerMinute: Int = 1
    var numberOfCameras: Int = 5
}