Kotlin for C# Developers

4.1. Interfaces

Kotlin interfaces are very similar to C#’s (although without the I naming convention).

Kotlin

interface MyInterface {
    val name: String
    fun printName()
}

Like C# 8.0, Kotlin methods can have default implementations.

interface MyInterface {
    val name: String
    fun printName() {
        println(name)
    }
}

Classes implement interface members with the override keyword.

class MyClass : MyInterface {
    override val name: String = "Bob"
    override fun printName() {
        // override the default from the interface
    }
}

Next: Objects

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