val names = listOf(“Jack”, “John”, “Tim”)<br /> for(name in names){<br /> println(name)<br /> }

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

for (i in 1..5) print(i)<br /> -> 12345</p> <p>for (i in 5 downTo 1) print(i)<br /> -> 54321</p> <p>for (i in 3..6 step 2) print(i)<br /> -> 35</p> <p>for (i in ‘d’..’g’) print (i)<br /> -> defg

val school = arrayOf(“shark”, “salmon”, “minnow”)<br /> for (element in school) {<br /> print(element + ” “)<br /> }<br /> -> shark salmon minnow</p> <p>for ((index, element) in school.withIndex()) {<br /> println(“Item at $index is $element\n”)<br /> }<br /> -> Item at 0 is shark<br /> Item at 1 is salmon<br /> Item at 2 is minnow

for (x in 0..10) println(x)

val list = listOf(“A”, “B”, “C”)<br /> for (element in list) {<br /> println(element)<br /> }

var bubbles = 0<br /> while (bubbles < 50) {<br /> bubbles++<br /> }<br /> println(“$bubbles bubbles in the water\n”)</p> <p>do {<br /> bubbles–<br /> } while (bubbles > 50)<br /> println(“$bubbles bubbles in the water\n”)</p> <p>repeat(2) {<br /> println(“A fish is swimming”)<br /> }<br /> -> 50 bubbles in the water<br /> 49 bubbles in the water<br /> A fish is swimmingA fish is swimming

for (item in collection) {<br /> // body of loop<br /> }