What will be the output of this code?

Question

ArrayList arr=new ArrayList(9);
arr.add("css");
arr.add("java");
arr.add("kotlin");
System.out.print(arr.size());

Answer 1

import java.util.*;

public class Program
{
public static void main(String[] args) {
ArrayList arr=new ArrayList(9);
arr.add("css");
arr.add("java");
arr.add("kotlin");

System.out.print(arr.size());
}
}

check in playground

Answer 2

Answer will be 3, because you have used ArrayList#add(<T>) method 3 times, in this case initialisation doesn't matter.

Answer 3

Prokopios Poulimenos I did but forgot importing util 😅😅

Answer 4

3 I guess. Just copy the code into the code playground and find out yourself.

Answer 5

Zlytherin thanks