aysesenses

for(i in 0..3) {             // 1
     print(i)
 }
 print(" ")
 
 for(i in 0 until 3) {        // 2
     print(i)
 }
 print(" ")
 

aysesenses

for (char in 'a'..'d') {                // 1
    println(char) 
}

for (char in 'z' downTo 's' step 2) {   // 2
    println(char)
}

aysesenses

val jobs = setOf("Baker", "Driver", "Dentist")
val works = setOf("Dentist", "Baker", "Driver")

println(jobs == works)   //  true
println(jobs === works)  // false

aysesenses

fun minOf(a: Int, b: Int) = if (a < b) a else b    

aysesenses

var number = 4
     var numberString = when(number) {
         1 -> "One"
         2 -> "Two"
         3 -> "Three"
         4 -> "Four"
         5 -> "Five"
         else -> "invalid number"
     }
     println("String of number $numberString")

aysesenses

var a: Int? = null  // a değişkeni null
 a?.let {     
     print(it)      // a null olduğu için let ile bu kod bloğuna girmez
 }
 a = 2              // a değişti, null değil
 a?.let {
     print(it)      // scope içine girer ve a yı yazdırır
 }

aysesenses

var a: Int? = null  
 a?.let(::print)
 
a = 2
 a?.let(::print)

aysesenses

data class Person(var name: String, var age: Int = 0, var city: String = "",var country: String = "")
 
 val adam = Person("Adam") 
     adam.age = 24
     adam.city = "Amsterdam"
     adam.country = "Germany"
 
 println(adam)

aysesenses

data class Person(var name: String, var age: Int = 0, var city: String = "",var country: String = "")
    
     val adam = Person("Adam").apply {
         age = 24
         city = "Amsterdam"
         country = "Germany"
     }
     println(adam)

aysesenses

data class Person(var name: String, var age: Int = 0, var city: String = "",var country: String = "")
 
 val adam = Person("Adam").apply {
     age = 24
     city = "Amsterdam"
     country = "Germany"
 }
 with(adam){
     print("$age")
 }