Interfaces

Implement a small interface with a class.

Interfaces.kt

interface Describable {
    fun describe(): String
}

class Task(val title: String) : Describable {
    override fun describe(): String {
        return "task:$title"
    }
}

fun main() {
    val title = 
    val task = Task(title)
    val description = task.describe()

    println("title=$title")
    println("description=$description")
}

interface Describable {
    fun describe(): String
}

class Task(val title: String) : Describable {
    override fun describe(): String {
        return "task:$title"
    }
}

fun main() {
    val title = 
    val task = Task(title)
    val description = task.describe()

    println("title=$title")
    println("description=$description")
}

interface Describable {
    fun describe(): String
}

class Task(val title: String) : Describable {
    override fun describe(): String {
        return "task:$title"
    }
}

fun main() {
    val title = 
    val task = Task(title)
    val description = task.describe()

    println("title=$title")
    println("description=$description")
}

interface An interface names behavior that a class promises to provide.