Answers for "converting int arr to arraylist java"

convert array of int to arraylist java

int[] ints = {1, 2, 3};
List<Integer> intList = new ArrayList<Integer>(ints.length);
for (int i : ints)
{
    intList.add(i);
}

Posted by: Guest on April-12-2020

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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