Answers for "Java convert int array from list"

convert list of integer to array in java

List<Integer> al = new ArrayList<Integer>(); 
Integer[] arr = new Integer[al.size()]; 
arr = al.toArray(arr);

Posted by: Guest on May-22-2020

convert Integer arraylist to array java

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

Posted by: Guest on February-05-2021

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