Kotlin IDE

Kotlin does not have a new keyword . To create a class instance, call the constructor just like a regular function. We saw that in the screenshot above. Kotlin has single inheritance from a named superclass, and all Kotlin classes have a default superclass Any , which is not the same as the Java base class java.

0 Kotlin 1.5. 0 introduces new language features, stable IR-based JVM compiler backend, performance improvements, and evolutionary changes such as stabilizing experimental features and deprecating outdated ones .

So far, we only deprecated the functions or methods in Kotlin . In addition to methods, we can apply deprecation to many other constructs in Kotlin.26 May 2021

In Kotlin, we can use the @Deprecated annotation to mark a class, function, property, variable, or parameter as deprecated . What makes this annotation interesting is not only the possibility of deprecation, but also of providing replacements with all the necessary imports.25 Eki 2017