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)
}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 minnowval people = People()
people.name = "John"
people.surname = "Lennon"
people.age = 56
println(people.name) // outs John
println(people.surname) // outs Lennon
println(people.age) // outs 56