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iOS Object-Oriented Swift 2.0 Class Inheritance Creating a Subclass

Michelle Doan
Michelle Doan
2,255 Points
Posted by Michelle Doan
Michelle Doan
2,255 Points

extra argument in call error

class Car: Vehicle {
    var numberOfSeats: Int = 4;

    override init(withDoors doors: Int, andWheels wheels: Int) {
 ***       super.init(numberOfDoors: doors, numberOfWheels: wheels) {

        }

    }
}

    let someCar = Car(withDoors: 3, andWheels: 4);

I keep getting an "extra argument 'numberOfWheels' in call" error (I've asterisked the line), and I'm not sure why since I'm providing the correct number of arguments. I've read on other forums that this error can be misleading, but I don't know in which ways.

```classes.swift
class Vehicle {
    var numberOfDoors: Int
    var numberOfWheels: Int

    init(withDoors doors: Int, andWheels wheels: Int) {
        self.numberOfDoors = doors
        self.numberOfWheels = wheels
    }
}

// Enter your code below
class Car: Vehicle {
  var numberOfSeats: Int = 4;

  override init(withDoors doors: Int, andWheels wheels: Int) {
    super.init(numberOfDoors: doors, numberOfWheels: wheels) {

    }

}

let someCar = Car(withDoors: 3, andWheels: 4);