Hash set

import java.util.HashSet;
import java.util.Iterator;

public class Main {
    public static void main(String[] args) {
        // Creating a HashSet
        HashSet<String> hashSet = new HashSet<>();

        // Adding elements to the HashSet
        hashSet.add("Apple");
        hashSet.add("Banana");
        hashSet.add("Orange");
        hashSet.add("Grapes");
        hashSet.add("Mango");

        
        // Removing an element from the HashSet
        boolean removed = hashSet.remove("Banana");
     
            System.out.println("Element 'Banana' removed from the HashSet.");
       

        // Checking if an element exists in the HashSet
        boolean contains = hashSet.contains("Orange");
        System.out.println("HashSet contains 'Orange': " + contains);

        // Iterating over the elements in the HashSet using an Iterator
        System.out.println("Iterating over HashSet elements using Iterator:");
        Iterator<String> iterator = hashSet.iterator();
        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        }

        // Clearing the HashSet
        hashSet.clear();
        System.out.println("HashSet cleared. Current size: " + hashSet.size());
    }
}