Материалы
Презентация:
Примеры и задание:
Задание
В класса org.mai.dep210.scala.iris.IrisExample с помощью методов scala.collection.immutable.List рассчитать
Блок кода | ||
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//get average sepal width
val avgSetalLength = 0.0
println(avgSetalLength)
//get average petal square - petal width multiplied on petal length
val avgPetalLength = 0.0
println(avgPetalLength)
//get average petal square for flowers with sepal width > 4
val avgPetalSquare = 0.0
println(avgPetalSquare)
//get flowers grouped by Petal size (PetalSize.Small, etc.) with function getPetalSize
val groupsByPetalSize = Map()
println(groupsByPetalSize)
//get max sepal width for flowers grouped by species
val maxSepalWidthForGroupsBySpecies = Map()
println(maxSepalWidthForGroupsBySpecies) |
Документация
Scala lang: https://docs.scala-lang.org/overviews/collections/overview.html