Scala·Practice drills 4

Drill 17: Change a value — Functions and collections

Describe what would change if you edited one value.

Intermediate 5 min read Lesson 89 of 150 Challenge included
What you will be able to do
  • Describe what would change if you edited one value.

Practice task

Describe what would change if you edited one value.

Collections.scalaSCALA
val lessons = List(("HTML", 12), ("CSS", 18))
val titles = lessons.filter(_._2 >= 15).map(_._1)
val total = lessons.map(_._2).sum
println(titles, total)
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Describe what would change if you edited one value.

TEXT · starter
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Lesson 89 of 150 · 0% of course