import java.util.Hashtable;

/*
 * Example of remove(Object key) method.
 */
public class HashtableExample
{
    public static void main( String[] args )
    {

        Hashtable<String, String> hashtable = new Hashtable<String, String>();

        /*
         * Key = CountryCode,Value = CountryName
         */
        hashtable.put("AF", "AFGHANISTAN");
        hashtable.put("BE", "BELGIUM");
        hashtable.put("US", "UNITED STATES");
        hashtable.put("IN", "INDIA");

        System.out.println("hashtable : " + hashtable + "\n");

        /*
         * Removes the key (and its corresponding value) from this hashtable.
         * 
         * This method does nothing if the key is not in the hashtable.
         */

        String value = hashtable.remove("US");

        System.out.println("value : " + value + "\n");
        System.out.println("hashtable : " + hashtable + "\n");

    }
}