In Kotlin, the “this” keyword allows us to refer to the instance of a class whose function we happen to be running .
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AndroidMobile DevelopmentApps/ApplicationsKotlin. In Kotlin, “!!” is an operator that is known as the double-bang operator . This operator is also known as “not-null assertion operator”. This operator is used to convert any value to a non-NULL type value and it throws an exception if the corresponding value is NULL.
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Kotlin arithmetic operators SymbolName+Addition-Subtraction*Multiplication/Divisionoperators, expressions, precedence, associativity in Kotlin – ZetCode zetcode.com › kotlin › operators
Read moreWhy is Kotlin called?
The name comes from Kotlin Island . Kotlin was released on 15 February 2016. This is considered to be the first officially stable release. At Google I/O 2017, Google announced first-class support for Kotlin on Android.
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Kotlin is an open-source, statically-typed programming language that supports both object-oriented and functional programming . Kotlin provides similar syntax and concepts from other languages, including C#, Java, and Scala, among many others.27 Ara 2019
Read moreHow do you write an operator in Kotlin?
Kotlin supports the following operators and special symbols:
Read moreWhat is the use of :: in Kotlin?
:: converts a Kotlin function into a lambda . this translates to MyClass(x, y) in Kotlin.
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