Arraylist

import java.util.ArrayList; // Import the ArrayList class

public class ArrayListExample {
    public static void main(String[] args) {
        // 1. Create an ArrayList of Strings
        ArrayList<String> fruits = new ArrayList<>();

        // 2. Add elements to the ArrayList
        fruits.add("Apple");
        fruits.add("Banana");
        fruits.add("Orange");
        fruits.add("Mango");

        System.out.println("Original ArrayList: " + fruits);

        // 3. Access elements using their index
        System.out.println("Fruit at index 0: " + fruits.get(0));

        // 4. Modify an element
        fruits.set(1, "Grapes");
        System.out.println("ArrayList after modifying index 1: " + fruits);

        // 5. Remove an element by index
        fruits.remove(3); // Removes "Mango"
        System.out.println("ArrayList after removing element at index 3: " + fruits);

        // 6. Remove an element by value
        fruits.remove("Apple");
        System.out.println("ArrayList after removing 'Apple': " + fruits);

        // 7. Get the size of the ArrayList
        System.out.println("Size of ArrayList: " + fruits.size());

        // 8. Check if an element exists
        System.out.println("Does ArrayList contain 'Orange'? " + fruits.contains("Orange"));
        System.out.println("Does ArrayList contain 'Kiwi'? " + fruits.contains("Kiwi"));

        // 9. Iterate through the ArrayList using a for-each loop
        System.out.println("Iterating through ArrayList:");
        for (String fruit : fruits) {
            System.out.println(fruit);
        }

        // 10. Clear all elements from the ArrayList
        fruits.clear();
        System.out.println("ArrayList after clearing: " + fruits);
        System.out.println("Is ArrayList empty? " + fruits.isEmpty());
    }
}