java list insert at index

Syntax:

Inserts the specified element at the specified position in this list.

List.add(int index, E element);

Example insert at index position in list

/**
 * @author lautturi.com 
 * Java example:
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		ArrayList<Integer> arrlist = new ArrayList<Integer>();
		arrlist.add(3);
		arrlist.add(7);
		arrlist.add(15);
		arrlist.add(8);
		
		System.out.println(arrlist);
		arrlist.add(2,22);
		arrlist.add(3,12);
		System.out.println(arrlist);
	}
}

output:

[3, 7, 15, 8]
[3, 7, 22, 12, 15, 8]