Created
January 8, 2022 20:12
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type Checking in Kotlin
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| import java.time.temporal.TemporalAmount | |
| import kotlin.reflect.typeOf | |
| fun main(args: Array<String>) { | |
| val obj: Any = Persons("Bob") | |
| if (obj is String) { | |
| println("It is") | |
| } else { | |
| println("It is not") | |
| println(" the class is a ${obj.javaClass.name}") | |
| } | |
| val obj2: Any = getStuff("2") | |
| if (obj2 is String) { | |
| println("It is") | |
| } else { | |
| println("It is not") | |
| println(" the class is a ${obj2.javaClass.name}") | |
| } | |
| } | |
| fun getStuff(value: String): Any{ | |
| return when (value){ | |
| "1" -> 1 | |
| "2" -> 1.0 | |
| "3" -> true | |
| "4" -> "michael" | |
| else -> {-1} | |
| } | |
| } | |
| data class Order (val amount: Int){} | |
| class Persons(name:String){} |
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