Arraylist remove() Java Code With Examples

Program

import java.util.ArrayList;
public class ArrayIndexRemove
{
	public static void main(String[] args)
    {
           ArrayList<Integer> a1=new ArrayList<Integer>();
           a1.add(12);
           a1.add(15);
           a1.add(75);
           a1.add(45);
           a1.add(56);
           int index=2;
           System.out.println("Initial list" +a1);
           a1.remove(index);
           System.out.println("final list" +a1);
    }
}

Output

Initial list[12,15,75,45,56]
final   list[12,15,45,56]

Description

public E remove(int index)

Removes the element at the specified position in this list. Shifts any subsequent elements to the left (subtracts one from their indices).

Specified by:

remove in interface List<E>

Overrides:

remove in class AbstractList<E>

Parameters:

index – the index of the element to be removed

Returns:

the element that was removed from the list

Throws:

IndexOutOfBoundsException – if the index is out of range (index < 0 || index >= size())