Kotlin 1.4 is out: Here is all you wish to have to understand

ByKaty Wilson

Mar 19, 2023
Kotlin 1.4 is out: Here is all you wish to have to understand
JetBrains has added somewhat a couple of new options in the most recent Kotlin 1.4. The open-source, general-purpose programming language for JVM, Android, internet, and local building has reached a brand new milestone with this model. Listed below are all of the new options in Kotlin 1.4.

1. SAM conversions for Kotlin interfaces
Previous model of Kotlin handiest allowed purposeful interfaces, having only a unmarried summary means (SAM). With the v1.4, you’ll be able to mark your individual Kotlin interface as purposeful and get them to paintings in a equivalent method.

2. Specific API
Every other spotlight of Kotlin 1.4 is the brand new particular API mode. It enforces positive language homes of Kotlin which are typically non-compulsory. Kotlin 1.4 additionally lets in specifying visibility modifiers and particular typing for any public declaration, to forestall errors whilst designing an API.

3. Advanced compiler
One of the most advantages of Kotlin 1.4 is that the builders can use new and extra robust kind inference set of rules. Advanced compiler will assist developer change into extra productive through supporting smart-casts and instances. The newest model brings an non-compulsory, alpha-stage steadiness compiler backends for Kotlin/JVM, and Kotlin/JS. Even though you aren’t growing with Jetpack Compose, customers are inspired to check out out the Kotlin/JVM backend.

4. Collections API
The API has been expanded to hide real-life instances. A brand new set of advent serve as set()NotNull(), makes a collection of all non-null pieces a number of the supplied arguments. The delegation enhancements additionally paintings higher with a brand new PropertyDelegateprovider interface and ReadWriteProperty.

Methods to set up Kotlin 1.4
The first actual step to making an attempt Kotlin 1.4 is to replace your initiatives and IDE to the most recent model. As soon as the most recent plugin is enabled, you’ll be able to improve your app initiatives to make use of Kotlin 1.4 through updating the Kotlin Gradle plugin model.

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