ArrayList : size : Get the size of the List

public int size()

Returns the number of elements in this list.

import java.util.*;

class ArrayListSize{
 public static void main(String args[]){
  ArrayList<Integer> myList;
  myList = new ArrayList<> ();
  
  /* Add Elements to myList */
  myList.add(10);
  myList.add(20);
  myList.add(30);
  myList.add(40);
  
  System.out.println("Elements in myList are");
  System.out.println(myList);
 
  System.out.print("Number Of Elements in myList are ");
  System.out.println(myList.size());
 }
}

Output

Elements in myList are
[10, 20, 30, 40]
Number Of Elements in myList are 4

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