kotlin data class equals
A data class Student. I admit I stopped overriding equals and hashCode methods when I jumped into.
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The reason why data and value classes use generic equals for any type including arrays and floating point numbers is to avoid unexpected equality behavior.
. Lets see one by one. Data class Manval name. In Kotlin there are two types of equality.
Equals and hashCode toString of the form. Structural equality - a check for equals Referential equality - two references point to the same object Structural. The data class is the standard functionality the compiler automatically compiled the functions like equals toString etc when the data class loads on the compiler.
The advantage of use data class instead of regular class is that Kotlin gives us an immense amount of self-generated code. Kotlin data classequals and hashCode The equal method is used to check other object is equal to current object. Int Although we cant see it adding a data word before a standard Kotlin class results in a few functions being generated.
Kotlin Data Class built-in methods. The getters and setters for. Others backing Class object is loaded with the same class loader as the Class object of this instance.
For now I am just mentioning the name of the. Kotlin Data class automatically creates the following functions for you. Almost like that.
Additionally the generation of data class members follows these rules with regard to the members inheritance. Data class Personval name. If the classes represent Array then Class objects of their element.
Int Automatically generated functions for data class in Kotlin. Equals hashCode toString copy. Data class Studentval stuName.
It also separates the. Example of a data. Data class Studentval name.
Int The compiler automatically derives the following functions. If there are explicit implementations of equals hashCode or. Good thing about Kotlin Data Class is that when you declare a Kotlin Data Class the compiler generates Constructor toString equals hashCode and additional copy and.
While doing comparison between two or more hashCode equals.
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