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);

		// Creating a new hash map and copying
		HashMap<Integer, String> new_hash_map = new HashMap<Integer, String>();
		new_hash_map.putAll(hash_map);

		// Displaying the final HashMap
		System.out.println("The new map looks like this: " + new_hash_map);
	}
}

        
main