Both have the same code how will isBlank handle white spaces probably you meant isBlankString this has the code for handling whitespaces. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. The accepted answer from @arshajii is totally correct. isNotBlank. [3] Aunque no tiene una sintaxis compatible con Java, Kotlin está diseñado para interoperar con código Java y es dependiente del código Java de su biblioteca de clases, tal como pueda ser el entorno de colecciones de Java (Java collections framework There are many great features available in Kotlin, we can take advantage of all these features to write a better application in Kotlin. Serialization. How kotlin handles null? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. There’s no point in optimizing code when comparing to null explicitly. Last Updated : 04 Jul, 2019; Kotlin’s type system is aimed to eliminate the jeopardy of null reference from the code because it is a billion dollar mistake. To learn more, see our tips on writing great answers. written inside the block. How are we doing? Inline classes exist in Kotlin with the purpose to enhance the expressiveness of primitive types. Do all fundamental frequencies have 1 anti-node and 2 nodes. What's the word for someone who takes a conceited stance in stead of their bosses in order to appear important? Kotlin for Server Side. The Void class, as part of the java.lang package, acts as a reference to objects that wrap the Java primitive type void. We've also created a function isNullOrEmpty() which checks, as the name suggests, whether the string is null or empty. Or by databinding