Kotlin override

open class Shape {
    open val vertexCount: Int = 0
    open fun draw() { /*...*/ }
    fun fill() { /*...*/ }
}

class Rectangle() : Shape() {
    override fun draw() { /*...*/ }		// overrides method
    override val vertexCount = 4		// overrides property, can be set later
}

class Losange(override val vertexCount: Int = 4) : Shape 
// Always has 4 vertices, can't be set later

Similar codes

1 vote217 views1 answer
Kotlin json
Kotlin
0 vote257 views1 answer
Kotlin map filterNot
Kotlin
1 vote260 views1 answer
File google-services.json is missing. the google services plugin cannot function without it. android
Kotlin
8 votes341 views2 answers
Kotlin list add
Kotlin
2 votes229 views1 answer
Btn start activity
Kotlin
3 votes238 views1 answer
Start new activity kotlin
Kotlin
0 vote258 views1 answer
Findviewbyid button kotlin
Kotlin
0 vote242 views1 answer
Kotlin every
Kotlin
0 vote268 views2 answers
Kotlin while loop
Kotlin
1 vote254 views1 answer
Kotlin postgresql
Kotlin