Example
To create the serialVersionUID for a class in Kotlin you have a few options all involving adding a member to the companion object of the class.
The most concise bytecode comes from a private const val which will become a private static variable on the containing class, in this case MySpecialCase:
class MySpecialCase : Serializable {
companion object {
private const val serialVersionUID: Long = 123
}
}
You can also use these forms, each with a side effect of having getter/setter methods which are not necessary for serialization...
class MySpecialCase : Serializable {
companion object {
private val serialVersionUID: Long = 123
}
}
This creates the static field but also creates a getter as well getSerialVersionUID on the companion object which is unnecessary.
class MySpecialCase : Serializable {
companion object {
@JvmStatic private val serialVersionUID: Long = 123
}
}
This creates the static field but also creates a static getter as well getSerialVersionUID on the containing class MySpecialCase which is unnecessary.
But all work as a method of adding the serialVersionUID to a Serializable class.
