![DEMYSTIFYING SCALA @KELLEYROBINSON
âHow easy is that?â.isEmpty
// Boolean = false
val chefs = List("Ina", "Martha", "Giada")
// List[String] = List(Ina, Martha, Giada)
chefs(0)
// String = Ina](https://image.slidesharecdn.com/demystifyingscala-170501144813/75/demystifying-scala-10-2048.jpg?cb=1669143232)
![DEMYSTIFYING SCALA @KELLEYROBINSON
trait Ingredient { val shelfLife: Int }
Scala
val ingredients: Array[Ingredient]â¨
val (eatNow, eatLater) = ingredients.partition(i => i.shelfLife < 7)
Java
List<Ingredient> ingredients;â¨
List<Ingredient> eatNow = new ArrayList<Ingredient>(ingredients.size());â¨
List<Ingredient> eatLater = new ArrayList<Ingredient>(ingredients.size());â¨
for (Ingredient ingredient : ingredient) {â¨
if (ingredient.getShelfLife() < 7)â¨
eatNow.add(ingredient);â¨
elseâ¨
eatLater.add(ingredient);â¨
}](https://image.slidesharecdn.com/demystifyingscala-170501144813/75/demystifying-scala-37-2048.jpg?cb=1669143232)
![DEMYSTIFYING SCALA @KELLEYROBINSON
trait Ingredient { val shelfLife: Int }
Scala
val ingredients: Array[Ingredient]â¨
val (eatNow, eatLater) = ingredients.partition(i => i.shelfLife < 7)
Partition takes a function as its argument
def partition(p: Int => Boolean)](https://image.slidesharecdn.com/demystifyingscala-170501144813/75/demystifying-scala-38-2048.jpg?cb=1669143232)
![DEMYSTIFYING SCALA
Sad truths about Scala
@KELLEYROBINSON
// source code yikes
object Task {â¨
implicit val taskInstance:
Nondeterminism[Task] with Catchable[Task]
with MonadError[({type Ν[ι,β] =
Task[β]})#Ν,Throwable] = new
Nondeterminism[Task] with Catchable[Task]
with MonadError[({type Ν[ι,β] =
Task[β]})#Ν,Throwable] { ... }
}](https://image.slidesharecdn.com/demystifyingscala-170501144813/75/demystifying-scala-53-2048.jpg?cb=1669143232)
Demystifying Scala
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Itâs functional, itâs object oriented, itâs everything you never knew you wanted and more! Scala has been growing in popularity over the last 15 years and has now taken off in a variety of applications ranging from data science to distributed systems to messaging and the web. Youâve been curious about this language, and now is your chance to learn more.
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