assign the a value to the index of an arraylist java code example
Example 1: ArrayList add(int index, E element) method in java
import java.util.ArrayList;
public class ArrayListAddMethodExample
{
public static void main(String[] args)
{
// creating an empty ArrayList with initial capacity
ArrayList<Integer> al = new ArrayList<Integer>(6);
al.add(12);
al.add(14);
al.add(16);
al.add(18);
al.add(20);
// adding element 15 at fourth position
al.add(3, 15);
for(Integer number : al)
{
System.out.println("Number: " + number);
}
}
}
Example 2: arraylist add at index
arrlist.add(2,25);