What does 2 exclamation marks mean in Kotlin?

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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What is the main use of Kotlin?

Kotlin is a modern, general-purpose programming language developed by JetBrains. Its full compatibility with Java and concise syntax makes it an appealing language for web development, Android development , and more. Every year more and more people rely on mobile devices to meet their needs.5 Eki 2021

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