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)
-> defgkotlin 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)
-> defgKotlin when
val x = 3
when(x) {
3 -> println("yes")
8 -> println("no")
else -> println("maybe")
}
// when can also be used as an expression!
val y = when(x) {
3 -> "yes"
8 -> "no"
else -> "maybe"
}
println(y) // "yes"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)
}when kotlin
when (x) {
1 -> print("x == 1")
2 -> print("x == 2")
else -> { // Note the block
print("x is neither 1 nor 2")
}
}kotlin for loop
val nums = arrayOf(1, 5, 10, 15, 20)
for (x
in nums) {
println(x)
}kotlin for loop
val list = listOf("A", "B", "C")
for (element in list) {
println(element)
}Copyright © 2021 Codeinu
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