Answers for "int arraylist to array java"

6

integer arraylist to int array

//only works in java 8 or later
list.stream().mapToInt(i -> i).toArray();
Posted by: Guest on July-12-2020
0

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

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