An interface from kotlin.ranges package called ClosedRange is a base declaration that models the idea of the range. The idea of a range itself can be seen as an abstract data type that models a closed scope of values or a set of objects that can be iterated through, in a concise way. Let’s get started 🚀! Iterating through primitive types

Next, we are going to implement a custom progression for the LocalDate class. First, we are going to discover built-in range implementations for the integral types like Char, Int or Long. In this post, we are going to explore how to use range expressions in action. The set() method takes 2 parameters: the index of the element and the value to be inserted.In order to make the syntax for loop iteration and control flow statements safe and natural to read, Kotlin standard library provides a concept of range. The get() method takes a single parameter-the index of the element and returns the value of the item at that index. The get() and set() functions are said to be member functions. Therefore, we can access the data of a class object via its member functions. Now, let’s see how to access and modify them.Īs you know, an array in Kotlin is basically a class. So far, we have seen how to create and initialize an array in Kotlin. Other factory methods available for creating arrays: These classes do not extend the Array class however, they implement the same methods and properties.įor example, the factory method to create an integer array is:

ISRO CS Syllabus for Scientist/Engineer ExamĪpart from these, Kotlin also has some built-in factory methods to create arrays of primitive data types, such as byteArray, intArray, shortArray, etc.

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Kotlin for range