I want declaring an extension func in kotlin but on Java classes Library, I know that do in Kotlin when you resolve companion
in extension function.
Like:
class Food {
companion object {
fun foo() = Unit
}
}
fun Food.Companion.clear(){/*Clear all of objects*/}
Now, are there any way for inject a static
function on Java classes library?
No you can't do it. That issue is already in tracked, please check this for more information.