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Convert List to int in Java
You can simply iterate through list and fill the array as shown below −
import java.util.ArrayList; import java.util.List; public class Tester { public static void main(String[] args) { List<Integer> list = new ArrayList<>(); list.add(new Integer(1)); list.add(new Integer(2)); list.add(new Integer(3)); list.add(new Integer(4)); int[] array = new int[list.size()]; for(int i=0;i<array.length;i++) { array[i] = list.get(i); System.out.println(array[i]); } } }
Output
1 2 3 4
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