Ill write algorithm steps in words instead of pseudocode. Use of Data Classes Kotlin with example 3.
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Data class Studentval name.
. ComponentN method Kotlin Object Destructuring 6. Equals and hashcode method in Kotlin 4. Others backing Class object is loaded with the same class loader as the Class object of this instance.
Kotlin Data Class built-in methods. There are three sorts of equality. Data class Humanvar name.
Calculate hashCode for each. Kotlins solution makes sense. Data class in Kotlin provide default implementation of toString equals and hashCode functions without explicit declaration.
String fun main var human1. ToString of the form UsernameJohn age42 componentN functions corresponding to the properties in their order of declaration. In Kotlin there are two types of equality.
Kotlin Data class automatically creates the following functions for you. The getters and setters for. Tests if values are identical tests if they should be considered as equivalent instances in some way.
Any Class usage 5. The advantage of use data class instead of regular class is that Kotlin gives us an immense amount of self-generated code. For data classes hashCode and equals are based on property values.
Equals and hashCode toString of the form. Int The compiler automatically derives the following functions. The third sense is.
Example of a data. Equals hashCode toString copy. Data class Personval name.
Lets see one by one. Int Although we cant see it adding a data word before a standard Kotlin class results in a few functions being generated. 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.
Lets understand these concepts with the. If the classes represent Array then Class objects of their element. The data class has the hashCode and equals Function defined in it.
Structural equality - a check for equals Referential equality - two references point to the same object Structural.
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