how to append values in integer array in java

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Michele
18 Jun 2018
1import java.util.ArrayList;
2import java.util.Arrays;
3import java.util.List;
4 
5class Main
6{
7    private static Integer[] append(Integer[] arr, int element) {
8        List<Integer> list = new ArrayList<>(Arrays.asList(arr));
9        list.add(element);
10 
11        return list.toArray(new Integer[0]);
12    }
13 
14    public static void main(String[] args) {
15 
16        Integer[] nums = { 1, 2, 3, 4 };
17 
18        nums = append(nums, 5);     // add 5 to nums[]
19        System.out.println(Arrays.toString(nums));
20    }
21}
22
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