ArrayList Scenario Based Questions(Java)

1.Movie list in OTT app User scrolls movies → mostly reading Program: package Arraylist; import java.util.ArrayList; public class movie { public static void main(String[] args) { ArrayList<String> movies = new ArrayList<>(); movies.add("Leo"); movies.add("Vikram"); movies.add("Youth"); try { System.out.println(movies.get(0)); System.out.println(movies.get(1)); System.out.println(movies.get(2)); System.out.println(movies.get(3)); } catch(IndexOutOfBoundsException e) { System.out.println("Error!Out of index"); } } } Output: Leo Vikram Youth Error!Out of index 2.Product catalog in e-commerce Products displayed, accessed by index → fast retrieval needed. Program: package Arraylist; import java.util.ArrayList; public class website { public static void main(String[] args) { ArrayList<String> products = new ArrayList<>(); products.add("Laptop"); products.add("Mobile"); products.add("Headphones"); System.out.println(products.get(0)); System.out.println(products.get(1));