Advanced Collection Function (Lanjutkan)

fun main(args : Array<String>){
    //slice()
   // sliceArray()
   //distinct()
   //dataClass()
   //saringPanjangStringSama()
   chunked()
}

fun slice(){
    val total = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
    //slice use index
    val slice = total.slice(3..6)
    println(slice)
    //slice use step
    val sliceStep = total.slice(3..6 step 2)
    println(sliceStep)
}

fun sliceArray(){
    val index = listOf(2, 3, 5, 8)
    val total = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
    val slice = total.slice(index)
    println(slice)
}

fun distinct(){
    val total = listOf(1, 2, 1, 3, 4, 5, 2, 3, 4, 5)
    val distinct = total.distinct()
    println(distinct)
}

fun dataClass(){
    data class Item(val key: String, val value: Any)
 
val items = listOf(
   Item("1", "Kotlin"),
   Item("2", "is"),
   Item("3", "Awesome"),
   Item("3", "as"),
   Item("3", "Programming"),
   Item("3", "Language")
)
 
val distinctItems = items.distinctBy { it.key }
distinctItems.forEach {
   println("${it.key} with value ${it.value}")
}
}


fun saringPanjangStringSama(){
    val text = listOf("A", "B", "CC", "DD", "EEE", "F", "GGGG")
val distinct = text.distinctBy {
   it.length
}
 
println(distinct)
}

fun chunked(){
val word = "QWERTY"
val chunked = word.chunked(3)
 
println(chunked)

val chunkedTransform = word.chunked(3) {
   it.toString().toLowerCase()
}
 
println(chunkedTransform)
 
}