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How will you convert an array of primitive integers int[] to a List collection?

Pragya Keshap answered on February 4, 2023 Popularity 3/10 Helpfulness 1/10

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  • How will you convert an array of primitive integers int[] to a List collection?

    0

    We can use ArrayUtils in Apache Commons Lang library for this

    purpose.

    Sample code is:

    List intList = Arrays.asList(ArrayUtils.toObject(intArray));

    The other option would be to use a for loop and explicitly adding

    integers to a List.

    Sample code is:

    int[]intArray = {10,20,30};

    List intList = new ArrayList();

    for (int i: intArray) {

    intList.add(i);

    }

    https://www.techiedelight.com/convert-int-array-list-integer/

    Popularity 3/10 Helpfulness 1/10 Language java
    Source: Grepper
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    Contributed on Feb 04 2023
    Pragya Keshap
    0 Answers  Avg Quality 2/10


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