General sample code with generics in Kotlin
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data class Course(val name: String) | |
class OddList<T>(val list: List<T>) { | |
fun oddItems(): List<T> { | |
return list.filterIndexed { index, _ -> index % 2 == 1 } | |
} | |
} | |
fun main() { | |
val listOfStrings = listOf("Kotlin", "Java", "C#") | |
val resultOfStrings: OddList<String> = OddList(listOfStrings) | |
println(resultOfStrings.oddItems()) | |
val listOfInts = listOf(1, 7, 8, 9, 12, 45) | |
val resultOfInts = OddList(listOfInts) | |
println(resultOfInts.oddItems()) | |
val courses = listOf( | |
Course("Kotlin"), | |
Course("Java"), | |
Course("C#"), | |
Course("PHP"), | |
Course("C++") | |
) | |
var resultCourses = OddList(courses).oddItems() | |
println(resultCourses) | |
} |
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