convert Integer arraylist to array java code example

Example 1: integer arraylist to int array

//only works in java 8 or later
list.stream().mapToInt(i -> i).toArray();

Example 2: arraylist to array java

ArrayList<String> ArrayLister=new ArrayList<>(){ArrayLister.add("Hi")};
String[] array=ArrayLister.toArray(String[]);

Example 3: convert Integer arraylist to array java

Your_ArrayList_Name.stream().mapToInt(k->k).toArray();