Exercises

Exercise 1A

Create a Car class with the fields: mark and color. Give the Car the behavoir drive() and brake() with the state speed. Create a @main function Instantiate a Auto as a red Tesla as myCar. Let myCar drive and brake and print the speed.

class Car:
  var mark: String = ""
  var color: String = ""
  var speed = 0

  def drive() = speed += 10
  def brake() = speed -= 10

@main
def main(): Unit =
  val myCar = new Car()
  myCar.mark = "Tesla"
  myCar.color = "red"
  myCar.drive()
  println(s"speed: ${myCar.speed}")

Exercise 1B

Create hisCar a gray Suzuki.
Let it drive three times and print the speed

Exercise 2

Create a constructor on the fields: mark and color
Change the main function to use the constructor

Exercise 3

Make the Car immutable by changing var by val
Change de main function if needed.

exercise 4

Make the speed private. Generate the toString method Change de main function .

exercise 5

Create a new class Truck, inherited from the Car class.
Give the Truck an extra field freight.
Give the Truck a constructor met de fields mark and color
In de main function create a blue Volvo with the variable name: truck1 En give truck1 a freight of 1000.

Exercise 6

Override the function drive() and brake() with a slower drive and brake speed

Exercise 7

Create RaceAuto inherited from Car. Give it a field topSpeed
Instantiate a red Ferrari as secondCar

exercise 8

Create a trait Vehicle met de functions: drive() and brake() make the Car clas implementing this trait.

Exercise 9

Create a Bicycle class from the Vehicle trait.
Instantiate a gray VanMook as myBike