We can remove an element at a particular index using removeAt method. Planets.removeAll(listOf('Earth', 'Pluto'))

In the below example, we using removeAll method to remove Earth and Pluto from the arraylist of planets. We just need to pass collection of planets to remove. We can remove list of planets altogether using removeAll method. In the below example, we are trying to remove Jupiter from list of planets, even though Jupiter is not present in the ArrayList of planets. What will happen if the element we try to remove is not present in the ArrayList? Nothing, it just does not remove anything. In the below example, we are removing the planet Pluto from the ArrayList of planets. We can use remove method to remove an element from ArrayList. Var planets = arrayListOf('Mercury', 'Venus', 'Earth', 'Jupiter') In the below example, we are checking if ArrayList contains the planet Pluto. We can use contains method to check if ArrayList contains the element or not. In the below example, we are using add method to insert Jupiter in between the ArrayList.

This accomplishes adding element to that location. We can use add method, specifying an index where to add the element followed by the element. Jupiter Adding element to middle of an ArrayList In the below example, we are using add method to add Jupiter to the end of planets list. We can add elements to end of an ArrayList using add function call. Saturn Adding element to end of an ArrayList Planets.addAll(listOf('Jupiter', 'Saturn')) In the following example, we are adding more planets to our list of planets using addAll method. We can use method addAll to add a list of elements to array list. Pluto Adding elements to an existing ArrayList In the following example, we are iterating through array list of planets and printing each planet. We can use for loop to iterate through an arraylist in Kotlin. Var planets = arrayListOf('Mercury', 'Venus', 'Earth', 'Pluto') In the following example, we are creating an arraylist with list of planets and then printing the arraylist. We created String theory of empty cosmos below. We can create an array list using arrayListOf builtin function. In this tutorial we will go through features of ArrayList in Kotlin.

ArrayList provides implementation for MutableList interface in Kotlin.

Kotlin arraylist