Idiomatic way of logging in Kotlin
Kotlin doesn’t have the same notion of static fields as used in Java. In Java, the generally accepted way of doing logging is: … Read more
kotlin
How to convert String to Long in Kotlin?
So, due to lack of methods like Long.valueOf(String s) I am stuck. How to convert String to Long in Kotlin? 11 Answers 11
Single exclamation mark in Kotlin
What does a single exclamation mark mean in Kotlin? I’ve seen it a few times especially when using Java APIs. But I couldn’t … Read more
Swift ‘if let’ statement equivalent in Kotlin
In Kotlin is there an equivalent to the Swift code below? if let a = b.val { } else { } 16 Answers … Read more
Kotlin : Public get private set var
What is the correct way to define a var in kotlin that has a public getter and private (only internally modifiable) setter? 2 … Read more
What does the suspend function mean in a Kotlin Coroutine?
I’m reading Kotlin Coroutine and know that it is based on suspend function. But what does suspend mean? Coroutine or function gets suspended? … Read more
Kotlin: how to pass a function as parameter to another?
Given function foo : fun foo(m: String, bar: (m: String) -> Unit) { bar(m) } We can do: foo(“a message”, { println(“this is … Read more
What is the Kotlin double-bang (!!) operator?
I’m converting Java to Kotlin with Android Studio. I get double bang after the instance variable. What is the double bang and more … Read more
Constants in Kotlin — what’s a recommended way to create them?
How is it recommended to create constants in Kotlin? And what’s the naming convention? I’ve not found that in the documentation. companion object … Read more
Sort collection by multiple fields in Kotlin [duplicate]
This question already has answers here: How to sort based on/compare multiple values in Kotlin? (3 answers) Closed 5 years ago. Let’s say … Read more