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Kotlin How to implement interface?

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SAMER SAEID answered on October 28, 2020 Popularity 10/10 Helpfulness 4/10

answer Kotlin How to implement interface?

related Kotlin How to define an interface?

related kotlin interface

Kotlin How to implement interface?

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interface MyInterface {

    val test: Int   // abstract property

    fun foo() : String   // abstract method (returns String)
    fun hello() {   // method with default implementation
        // body (optional)
    }
}

class InterfaceImp : MyInterface {

    override val test: Int = 25
    override fun foo() = "Lol"

    // other code
}

Popularity 10/10 Helpfulness 4/10 Language kotlin

Source: Grepper

Tags: kotlin

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Contributed on Jun 14 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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Kotlin How to define an interface?

Comment

interface MyInterface {

    var test: String   // abstract property

    fun foo()          // abstract method
    fun hello() = "Hello there" // method with default implementation
}

Popularity 9/10 Helpfulness 2/10 Language kotlin

Source: Grepper

Tags: kotlin ko

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Contributed on Jun 14 2022

SAMER SAEID

0 Answers Avg Quality 2/10

kotlin interface

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fun main() {
    Child().hairColour() /// brown
    Child().eyeColour() /// blue
}


interface Parent {
    val eyeColour: String
        get() = "blue"
    val hairColour: String
        get() = "black"

    fun eyeColour() {
        println(eyeColour)
    }

    fun hairColour() {
        println(hairColour)
    }
}


class Child : Parent {
    override val hairColour = "brown" 

}

Popularity 10/10 Helpfulness 1/10 Language kotlin

Source: Grepper

Tags: kotlin ko

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Contributed on Oct 28 2020

0 Answers Avg Quality 2/10

Kotlin How to implement interface?

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kotlin interface

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