1  import java.awt.Color;

  2  import java.util.HashMap;

  3  import java.util.Map;

  4  import java.util.Set;

  5  

  6  /**

  7     This program demonstrates a map that maps names to colors.

  8  */

  9  public class MapDemo

 10  {

 11     public static void main(String[] args)

 12     {      

 13        Map<String, Color> favoriteColors = new HashMap<String, Color>();

 14        favoriteColors.put("Juliet", Color.BLUE);

 15        favoriteColors.put("Romeo", Color.GREEN);

 16        favoriteColors.put("Adam", Color.RED);

 17        favoriteColors.put("Eve", Color.BLUE);

 18  

 19        // Print all keys and values in the map

 20  

 21        Set<String> keySet = favoriteColors.keySet();

 22        for (String key : keySet)

 23        {

 24           Color value = favoriteColors.get(key);

 25           System.out.println(key + " : " + value);

 26        }

 27     }

 28  }