How to create a Singleton class in Kotlin?

[mohamedebrahim96]

How to create a Singleton class in Kotlin?

[furysniper2015]

class UtilProject {
....
companion object {
val instance = UtilProject()
}
}

class AnotherClass {
...
companion object {
val instance = AnotherClass()
const val abc = "ABC"
}
}

fun main(args: Array) {
val a = UtilProject.instance // UtilProject.instance will be initialized here.
val b = AnotherClass.abc // AnotherClass.instance will be initialized here because AnotherClass's companion object is instantiated.
val c = AnotherClass.instance
}