import java.awt.Color; import java.util.HashMap; import java.util.Map; import java.util.Set; /** This program demonstrates a map that maps names to colors. */ public class MapDemo { public static void main(String[] args) { Map favoriteColors = new HashMap(); favoriteColors.put("Juliet", Color.BLUE); favoriteColors.put("Romeo", Color.GREEN); favoriteColors.put("Adam", Color.RED); favoriteColors.put("Eve", Color.BLUE); // Print all keys and values in the map Set keySet = favoriteColors.keySet(); for (String key : keySet) { Color value = favoriteColors.get(key); System.out.println(key + " : " + value); } } }