Introduction : Kotlin sortedBy is useful to sort collection items. You can use it to sort items in natural order or by using a selector function. It returns a list of all elements sorted. In this quick example, I will Read more…
Introduction : In almost all programming languages, sometimes, you might have to check the current installed version. For example, if you are using one python method that is available only to a specific version and above, it is a good Read more…
Introduction : Kotlin String class provides one method called slice to get one sub-string containing the characters defined by the method argument. It has two variants. In this post, I will show you how to use this method with examples Read more…
Introduction : Kotlin program to concat one string and one integer value. For example, if the string is ‘hello-‘ and number is 20, it will print ‘hello-20’. I will show you different ways to do that in Kotlin. Using Read more…
Introduction : String is immutable in Kotlin. If we concatenate two or more strings, it will generate one new string. We have different different ways to concatenate in Kotlin. In this tutorial, I will show you how to solve it Read more…
Introduction : Kotlin provides different methods to manipulate a string. In this post, we will learn different Kotlin string methods to remove the first and last characters of a string. drop(n: Int) : drop takes one integer as its Read more…
Introduction : zip function builds one new list of paired elements from two existing arrays. Zipping transformation is useful to combine two array values. The final result is equal to the length of the smaller array if both arrays have Read more…
Introduction : Kotlin program to find the sum of all numbers in an array. One number array is given and we need to find out the sum of its numbers. Method 1: Using sum() : Array in kotlin provides Read more…
Different ways to get substring in a string in Kotlin : Kotlin string comes with different utility methods to extract one substring. These utility methods or extensions functions are better than what Java provides and they can get you substrings Read more…
Introduction : In this tutorial, we will learn different ways to find the length of a string. Actually you can use string property length that gives the length of a string in Kotlin. I am showing you three different ways. Read more…
