How to Check Kotlin Variable Type Kailash VaviyaFeb 02, 2024 KotlinKotlin Variable Knowing the variables’ data types of your code can be extremely beneficial. For instance, it can help ensure you are working with the correct data type, using the right functions on the variable, and improving...
Kotlin – Check if file is readable To check if given file is readable in Kotlin, we can usecanRead()function from thejava.io.Fileclass. Steps to check if file is readable Consider that we are given a file identified by a path. Create a file object from the given path to file. Call...
To check if String starts with specified character in Kotlin, use String.startsWith() method. Given a stringstr1, and if we would like to check if this string starts with the characterch, call startsWith() method on stringstr1and pass the characterchas argument to the method as shown bel...
type checking, and more. It is designed to be lightweight and efficient while providing all the necessary features to run Kotlin code. Furthermore, it also serves as a bridge between the platform-independent IR and the platform-specific machine code. The runtime implementation also manages...
As the empty string is of string type and NULL is of NULL type, the value returned is false. We can use the gettype() function to check the type. Example Code: $foo = ''; if($foo == NULL) { echo 'foo is null'; } else{ echo 'the condition is false'; } Output: foo is...
Learning the basics of programming languages like Kotlin or Java is the first step. These languages are the foundation of Android app development. Kotlin is now preferred by Google for Android development because it’s easier to use and reduces the chance of errors, but Java is still widely us...
Click Windows start menu, type cmd.exe to find and opencmdapp. To get additional debug logging for troubleshooting launcher issues, run command below first to set debug environment variables before starting the IDE: setIJ_LAUNCHER_DEBUG=true ...
Natives mobile applications are specific to each Operating System (OS), therefore, skills in several programming languages are required: Objective-C and Swift for iOS apps; Java or Kotlin for Android apps. However, if you have required skills, this option will let you achieve the app you ...
Adding Kotlin to an existing Java Android project is easy. Just include a few Gradle dependencies, apply a plugin, and you can start programming in the language. For more advanced usage, including how to automatically convert Java code to Kotlin, check outGoogle's official documentation....
talk aboutArrow- the first time since I started writing articles.Arrowoffers a lot of different libraries toto bring idiomatic functional programming to Kotlin(taken from the documentation). Because I want to start slow I only choose one topic for today - Exception handling using theEithertype...