Object - Kotlin Vocabulary

Object is a special class in Kotlin that only has one instance, which you can use to create Singletons easily. In this episode, we go over the differences between implementing a Singleton in Java versus Kotlin, how you can create Singletons in Kotlin without using the static keyword, and what’s happening under the hood when using object.

#Kotlin #AndroidDev #Featured

[codinginflow]

The animations for the different threads are really well done 👍

[JolanRensen]

Maybe something about delegates in the future? They're really special and powerful when used well, but I don't think many people know how to use them.

[pawewodarczyk]

For curious, there is also one thing that anonymous objects in Kotlin can do unlike their Java's counterparts: implement multiple interfaces at once, like that: object : Interface1, Interface2 {}

[muralitharan]

Super clear explanation, need more videos about kotlin like this

[goobar]

I ♥️ object classes. I also ♥️ the Voltron in the background 😀

[hitec]

Nice videos!! please make videos about other topics like generics, sealed classes, inline etc. Thank you

[ChunkyChest]

thanks for demonstrating expression based instantiation too.

[keshavjha]

what does an instance of an object mean? is it different from the instance of a class?

[apoorvgupta]

6:34 There is no colon between object and braces

var temp = object{
var value = 2
var another = 3
}

[szLynAs]

Great video and awesome cap in the end

[JoeyTemme]

Not all of us come from a Java background. I'm new to Kotlin but I think this info would have been clearer to me if you spoke in Kotlin terms first and saved the Java analogies for later.

[dontbotherreading]

Learning Kotlin for Android, made my first app with Java in 2016, anyone else self taught that managed to find employment?

[SanketBhat]

Seriously I don't see any major advantage of "object" keyword for singleton in kotlin. Because
* It does not support parameterized singleton
* We can create singleton without "object" with just two more lines having a lot of control over it.

[SnoopyDoofie]

Do we really need a video on this?? This is already well documented in the Kotlin documentation.

[RonnyBubke]

Learning object oriented languages is wasting of time. Learn functional languages for instance Clojure. Updating a value in a nested data class structure in Kotlin is a big copy chain which is so cumbersome. In Clojure it's (assoc-in value [:users 4 :address :zip] 12345) for updating the zip code of the 5th user in a list.