Or, if you prefer, is the result value of any statement (for example println()). The out Keyword – In Kotlin, we can use the out keyword on the generic type which means we can assign this reference to any of its supertypes.The Unit type in Kotlin is the equivalent to the void type in Java. The Any type can be thought of as the mother of all other types (except nullable types, which will be covered in Chapter 7). Declaration-site variance(using in and out).Any is the supertype of all other datatypes. Invariance is the property by which a standard generic function/class already defined for a particular data type, cannot accept or return another datatype. This can be managed by the out and in keywords. By extension, generic types are invariant in Kotlin. Unlike Java, Kotlin makes arrays invariant by default. ISRO CS Syllabus for Scientist/Engineer Exam.programmingsimplified has 5K followers, 2.12 - engagement Rate, and 106 average likes per post. ISRO CS Original Papers and Official Keys Android & kotlin Instagram stats and analytics.
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