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

4 votes267 views1 answer
Kotlin remove name from an activity
Kotlin
10 votes318 views3 answers
Kotlin onclicklistener
Kotlin
0 vote215 views3 answers
Kotlin filter list
Kotlin
4 votes244 views1 answer
Kotlin online compiler
Kotlin
1 vote245 views1 answer
Kotlin detect dark mode
Kotlin
3 votes244 views1 answer
Kotlin convert string to char array
Kotlin
0 vote221 views1 answer
Android kotlin cannot @+id in MainActivity
Kotlin
1 vote248 views1 answer
Kotlin string template
Kotlin
0 vote233 views1 answer
Initializing appmetrica library with the extended configuration
Kotlin
2 votes211 views1 answer
Kotlin set
Kotlin