For loop kotlin

Kotlin loop

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

For loop kotlin

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

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

Kotlin for

val list = listOf("A", "B", "C")
for (element in list) {
 println(element)
}

Similar codes

21 votes454 views1 answer
Why was kotlin created
Kotlin
0 vote171 views1 answer
Arrayadapter spinner kotlin fragment
Kotlin
0 vote190 views1 answer
Kotlin swipe listener
Kotlin
15 votes443 views2 answers
Kotlin static variable
Kotlin
0 vote178 views3 answers
Return two values kotlin
Kotlin
0 vote182 views1 answer
Link to image view kotlin
Kotlin
-1 vote170 views1 answer
Recyclerview onclicklistener kotlin
Kotlin
0 vote358 views1 answer
Kotlin map filter
Kotlin
3 votes185 views3 answers
Kotlin 2d arraylist
Kotlin
1 vote180 views1 answer
Kotlin set text from resource
Kotlin