Sealed class in kotlin example

sealed interface Expr

sealed class MathExpr(): Expr

data class Const(val number: Double) : MathExpr()

data class Sum(val e1: Expr, val e2: Expr) : MathExpr()

object NotANumber : Expr

Source: tedblob.com

Sealed class in kotlin example

sealed class Message {
    abstract val messageId: String
}
data class Track(val event: String, override val messageId: String): Message()

Source: tedblob.com

Similar codes

1 vote132 views1 answer
Xlint:deprecation android studio
Java
1 vote131 views1 answer
Convert string to list java 8
Java
0 vote135 views1 answer
Java stdin
Java
0 vote116 views1 answer
Spring Security JWT Authentication + PostgreSQL – RestAPIs SpringBoot + Spring MVC + Spring JPA
Java Spring
2 votes199 views1 answer
How to print in console java
Java
0 vote167 views1 answer
Why are my if statements not working with inputs in java
Java
0 vote149 views1 answer
Spring cloud config server authentication
Java
0 vote149 views1 answer
Important features of java programming language
Java
59 votes136 views3 answers
How to use math.round
Java
1 vote137 views1 answer
30/8
Java