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Println( "print converted int array as string : "+ Arrays.toString(array)) converting list to array list.toArray(array) creating an empty intger array with size of list. Convert List to Array in Kotlin [package

Hence, to see the actual contents inside the array, you should call Arrays.toString() method.ģ.

If you print directly returned array then it prints memory address of the array. Next, call list.toArray(array) which internally copies all values from list to array. Kotlin base package has a function arrayOfNulls(int size) which takes the size of the array that should be created and it should hold the String type values.Īfter the array is created then it will have null values in it. Public void displayParam(String.Therefore, always array size should be as same as List when doing a conversion. To pass the list to the method displayParam(), which accepts variable arguments, we are using toArray() method to convert the list to an array as shown in the following example. In this example, we have a list of string elements. Passing a List elements to a method with Varargs parameter

Here, we will see how a list elements can be passed as arguments to a method.

As we learned in the Java Varargs detailed guide, that varargs can accept variable arguments. In this guide, you will learn how to pass a list as an argument to a method with Varargs.