To work effectively with Kotlin, knowing how to initialize a List of lists is important. Also known as a two-dimensional array, or a matrix, a list of lists is a data structure that is defined as a single list
To iterate over inner lists and elements of these inner lists, in a List of Lists, in Kotlin, we can use nested for loop. The syntax to iterate over elements of inner lists in a list of lists is </> Copy for(aList in listOfLists) { for(element in aList) { //code } } Exampl...
Print List in Java Using the Enhanced for Loop One of the simplest and most readable methods to iterate through list elements is using the enhanced for loop. The enhanced for loop, also known as the for-each loop, simplifies the process of iterating through collections, including lists. Its...
The arrayList is defined as one of the kotlin collection that can be used to create the dynamic array the user may create additionally or removed the data at run time it automatically add or delete the datas in the list based on the requirement so based on this scenario the arrayList class...
Thejoin()function in Python is used to join elements of any iterable like a list, a tuple, or a string with the help of a string separator; this method returns a concatenated string as an output. Look at the example below. list=["Five","Ten","Fifteen","Twenty"]print(" ".join(lis...
print("Enter something: ") We print a prompt to the user. input = readLine() An input is read from the user with readLine. At this moment, we have assigned a value to the input variable. Kotlin propertiesVariables created in a class are properties. The read-only variables have default ...
is String -> new.startsWith("Welcome To My Domain its the first example that relates to the Kotlin switch") else -> false } fun main(args: Array<String>) { var str = Scanner(System.`in`) print("Please enter your brand:")
To remove all elements from a Mutable List in Kotlin, call clear() function on this list object.
Kotlin POST FORM data request with FuelIn the following example, we send a POST request with FORM data. FuelPostRequestForm.kt package com.zetcode import com.github.kittinunf.fuel.httpPost fun main() { val (_, _, result) = "https://httpbin.org/post" .httpPost(listOf("name" to "...
print(repeated.distinct()) // Print [1, 2, 4, 6, 10] 9. Custom Objects It’s also possible to create a range over custom objects.For that, the only requirement is to extend theComparableinterface. An enum is a good example. All enums in Kotlin extendComparablewhich means that, by ...