kotlin loop
snippet in kotlin

kotlin loop

user5686

for (i in 1..5) print(i)
-> 12345

for (i in 5 downTo 1) print(i)
-> 54321

for (i in 3..6 step 2) print(i)
-> 35

for (i in 'd'..'g') print (i)
-> defg

kotlin simple for loop

user5362

val names = listOf("Jack", "John", "Tim")
for(name in names){
	println(name)
}

kotlin loop

user4863

val school = arrayOf("shark", "salmon", "minnow")
for (element in school) {
    print(element + " ")
}
-> shark salmon minnow

for ((index, element) in school.withIndex()) {
    println("Item at $index is $element\n")
}
-> Item at 0 is shark
Item at 1 is salmon
Item at 2 is minnow

for loop kotlin

user358

val array = arrayOf(1, 3, 9)
for (item in array) {
    //loops items
}
for (index in 0..array.size - 1) {
	//loops all indices
}
for (index in 0 untill array.size) {
    //loops all indices
}
for (index in array.indices) {
    //loops all indices (performs just as well as two examples above)
}

kotlin loop

user5537

var bubbles = 0
while (bubbles < 50) {
    bubbles++
}
println("$bubbles bubbles in the water\n")

do {
    bubbles--
} while (bubbles > 50)
println("$bubbles bubbles in the water\n")

repeat(2) {
     println("A fish is swimming")
}
-> 50 bubbles in the water
49 bubbles in the water
A fish is swimmingA fish is swimming

kotlin iterate array

user335

val names = listOf("Anne", "Peter", "Jeff")
for (name in names) {
    println(name)
}