So, first, we will get to know about how to convert integer list to array list using java 8. Stream API. How to convert integer set to int array using Java? Object[] toArray() Feel free to check our article on how to … Notice the line, languages.toArray (arr); Here, the toArray () method converts the list languages into an array. to convert ArrayList to Array and Array for (int i = 0; i < integers.length; i++) { In this tutorial we are simply converting String array list into string array with the use of arraylist.toArray () method. I try to convert an integer to an array. JAVA It has a handy ArrayUtils class that can do what you want. Manual method. Java Program to Convert Integer List to Integer Array Java convert List to Array - Java2Blog Syntax: public Object[] toArray() or public T[] toArray(T[] a) Parameters: This method either accepts no parameters or it takes an array T[] a as a parameter which is the array into which the elements of the list are to be stored if it is big enough; otherwise, a new array of the same runtime type is allocated for this purpose. List. Mkyong.com is providing Java and Spring tutorials and code snippets since 2008. Convert list to int array in Java with an easy example. int[] i... Convert List to Array in Java - CodeGym So, When List.toArray () method is called it converts ArrayList to String array. Example: int[] ints = {1,2,3}; We can do this using a for loop, Object[] toArray() method, T[] toArray() method, and mapToInt() method.