for loop on scala code example

Example 1: how loop in scala

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

Example 2: 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)
}