java remove arraylist element by index code example
Example 1: remove item from arraylist in java
//Create the ArrayList
List<Integer> al = new ArrayList<>();
//Add the items
al.add(10);
al.add(18);
//Remove item(1 = 2and item in list)
al.remove(1);
Example 2: ArrayList remove(int index) method in java
import java.util.ArrayList;
public class ArrayListRemoveIndexMethodExample
{
public static void main(String[] args)
{
ArrayList<Integer> al = new ArrayList<Integer>(5);
al.add(56);
al.add(29);
al.add(76);
al.add(94);
System.out.println("ArrayList size: " + al.size());
for(Integer number : al)
{
System.out.println("Number: " + number);
}
// removing element at third position
al.remove(2);
System.out.println("ArrayList size after using remove(int index) method: " + al.size());
// printing all elements in list
for(Integer number : al)
{
System.out.println("Number: " + number);
}
}
}
Example 3: arraylist remove method java
public E remove(int index) // returns removed element at index