IT. Expert System.

The java.util.ArrayList.remove(int index) method removes the element at the specified position in this list. Shifts any subsequent elements to the left (subtracts one from their indices).

Syntax:

public E remove(int index)

Example:

public class ArrayListDemo {
   public static void main(String[] args) {
      
    // create an empty array list with an initial capacity
    ArrayList arrlist = new ArrayList(5);

    // use add() method to add elements in the deque
    arrlist.add(20);
    arrlist.add(15);
    arrlist.add(30);
    arrlist.add(45);

    System.out.println("Size of list: " + arrlist.size());
	
    // let us print all the elements available in list
    for (Integer number : arrlist) {
      System.out.println("Number = " + number);
    }  
	
    // Removes element at 3rd position
    arrlist.remove(2);

    System.out.println("Now, Size of list: " + arrlist.size());
	
    // let us print all the elements available in list
    for (Integer number : arrlist) {
      System.out.println("Number = " + number);
    }
  }
}   

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