How loop in scala

for ((name, count) <- names.zipWithIndex) {
    println(s"$count is $name")
}

Source: alvinalexander.com

How loop in scala

for (i <- 1 to 3) println(i)

Source: alvinalexander.com

How loop in scala

for {
    i <- 1 to 10
    if i < 4
} println(i)

Source: alvinalexander.com

How loop in scala

for (i <- 1 to 10 if i < 4) println(i)

Source: alvinalexander.com

How loop in scala

for (i <- 0 until names.length) {
    println(s"$i is ${names(i)}")
}

Source: alvinalexander.com

How loop in scala

for (n <- names) println(n)
for (n <- names) println(n.capitalize)    
for (n <- names) {
    // imagine this requires several lines
    println(n.capitalize)
}

Source: alvinalexander.com

How loop in scala

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")

Source: alvinalexander.com

How loop in scala

res: Seq[(Int, Char)] = List((1,a), (1,b), (1,c), 
                             (2,a), (2,b), (2,c),
                             (3,a), (3,b), (3,c))

Source: alvinalexander.com

How loop in scala

val lengths = for (e <- names) yield {
    // imagine that this required multiple lines of code
    e.length
}

Source: alvinalexander.com

How loop in scala

names.zipWithIndex.foreach { d =>
    println(s"${d._2} is ${d._1}")
}

Source: alvinalexander.com

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