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Mastering Kotlin Essentials

The Data Objects and Constants

Explore Kotlin's data objects and constant declarations. Understand the use of the data modifier for objects, how to name constant values clearly, and optimize constants with the const modifier. This lesson equips you to manage constant data efficiently in Kotlin applications.

We'll cover the following...

The data object declarations

Since Kotlin 1.8, we can use the data modifier for object declarations. It generates the toString method for the object; this method includes the object name as a string.

Kotlin 1.5
data object ABC
fun main() {
    println(ABC) // ABC
}
...