IT Nursery > News > kotlin

kotlin

How do I initialize Kotlin’s MutableList to empty MutableList?

Seems so simple, but, how do I initialize Kotlin’s MutableList to empty MutableList? I could hack it this way, but I’m sure there ...

May 12, 2022
0 Comments

What is the difference between var and val in Kotlin?

What is the difference between var and val in Kotlin? I have gone through this link: KotlinLang: Properties and Fields As stated on ...

May 11, 2022
0 Comments

Smart cast to ‘Type’ is impossible, because ‘variable’ is a mutable property that could have been changed by this time

And the Kotlin newbie asks, “why won’t the following code compile?”: var left: Node? = null fun show() { if (left != null) ...

May 11, 2022
0 Comments

How to write ternary conditional operator?

What is the equivalent of this expression in Kotlin? a ? b : c This is not valid code in Kotlin. 33 s ...

April 27, 2022
0 Comments

How to check if a “lateinit” variable has been initialized?

I wonder if there is a way to check if a lateinit variable has been initialized. For example: class Foo() { private lateinit ...

April 27, 2022
0 Comments