“Kotlin OOP” Código de respuesta

para bucle 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)
}
Promofo

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
Super Stoat

Kotlin OOP

val 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
abdullah

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