//Hash_Map_Demo.java
//From the Geeks for Geeks website

import java.util.HashMap;

public class Hash_Map_Demo
{
    public static void main(String[] args)
    {

        // Creating an empty HashMap
        HashMap<Integer, String> hash_map = new HashMap<Integer, String>();

        // Mapping string values to int keys
        hash_map.put(10, "Geeks");
        hash_map.put(15, "4");
        hash_map.put(20, "Geeks");
        hash_map.put(25, "Welcomes");
        hash_map.put(30, "You");

        // Displaying the HashMap
        System.out.println("Initial Mappings are: " + hash_map);

        // Using values() to get the Collection view of values
        System.out.println("The collection is: " + hash_map.values());
    }
}