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Questions - val

Kotlin. How to declare constant?

I have class, which in primary constructor has some fields: class SomeData(val counter: Int...) { // some logic} I need to create a constant. I usually do it like this: companion object { priva...
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testivanivan

kotlin

constants

companion-object

primary-constructor

val

Votes: 0

Answers: 3

Latest Answer

If your MAX_VALUE is based on other data in the object, then it is by definition not a constant. What you need instead is a read-only property. There are two easy ways to create this: First, what you ...
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Moshe Katz

In Kotlin, Why can the value of a val integer be reassigned by the inc() method?

Consider the following, val x: Int = 0 val variables cannot be changed so doing x += 1 wouldn't work The compiler says Val cannot be reassigned why then does x.inc() work fine doesn't x.inc() reassign...
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Ser.T

kotlin

variables

variable-assignment

readonly

val

Votes: 0

Answers: 1

Latest Answer

x.inc() does not increment the variable x. Instead, it returns a value that is one more than the value of x. It does not change x. val x = 0 x.inc() // 1 is retuned, but discarded here print(x) // sti...
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