There are built-in functions in Kotlin to check substrings and some valuable operations to simulate the expected functionality. Let’s start with the native Kotlin support. 2.1. Native contains Method First, us
打开File —> Settings —> Editor —> File and Code Templates —> Files —> Class类头注释：打...
Write a Kotlin function `countVowels` that counts the number of vowels in a given string. Pre-Knowledge (Before you start!) Basic Kotlin Syntax. Kotlin Functions. String Manipulation. Lists in Kotlin. Loops in Kotlin. Conditional Statements. Printing Output. Hints (Try before looking at the so...
Use String Templates to Format String in Kotlin String templates allow us to insert variable values and functions returning values directly intoString. The$(dollar) sign is used before mentioning the expression. It evaluates the expression and concatenates the result to the string. ...
Kotlin has set() and get() functions that can directly modify and access the particular element of the array respectively. In Kotlin Array, the get() function is used to get the elements from the specified index. The set() function is used to set element at particular index location. set...
Few String Properties and Functions Since literals in Kotlin are implemented as instances of String class, you can use several methods and properties of this class. length property - returns the length of character sequence of an string. compareTo function - compares this String (object) with the...
We’ll make each solution a Kotlin function, which takes no argument and returns the random string. Therefore, let’s first create a high-order function to verify the functions: private fun verifyTheSolution(randomFunc: () -> String) { val randoms = List(10_000) { randomFunc() } ass...
Learn how to convert an integer to a hexadecimal string in Kotlin with this comprehensive guide. Understand the methods and examples for effective coding.
Interpolator Functions In addition to classes/objects, you can use an annotation to assign a function to act as an interpolator: for example: @InterpolatorFunction<SqlInterpolator>(SqlInterpolator::class) fun sql2(sqlString: String): PreparedStatement = interpolatorBody() // usage sql2("SELECT *...
In this article, we learned how to split a string into chunks of a given size using thechunked()andwindowed()functions provided by the Kotlin standard library. These functions are versatile and can handle most use cases with minimal code. For more specialized needs, a manual approach is alway...