how loop in scala
for ((name, count) <- names.zipWithIndex) {
println(s"$count is $name")
}
4.25
4
res: Seq[(Int, Char)] = List((1,a), (1,b), (1,c),
(2,a), (2,b), (2,c),
(3,a), (3,b), (3,c))
Thank you!
4
4.25
(4 Votes)
0
3.88
8
names.zipWithIndex.foreach { d =>
println(s"${d._2} is ${d._1}")
}
Thank you!
8
3.88
(8 Votes)
0
4.33
6
val ratings = Map(
"Lady in the Water"-> 3.0,
"Snakes on a Plane"-> 4.0,
"You, Me and Dupree"-> 3.5
)
for ((name,rating) <- ratings) println(s"Movie: $name, Rating: $rating")
Thank you!
6
4.33
(6 Votes)
0
0
0
val lengths = for (e <- names) yield {
// imagine that this required multiple lines of code
e.length
}
Thank you!
0
0
0
3.67
6
for (i <- 0 until names.length) {
println(s"$i is ${names(i)}")
}
Thank you!
6
3.67
(6 Votes)
0
3.86
7
for {
i <- 1 to 10
if i < 4
} println(i)
Thank you!
7
3.86
(7 Votes)
0
4.29
7
val names2 = for (e <- names) yield e.capitalize
Thank you!
7
4.29
(7 Votes)
0
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