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import java.util.HashMap; public class Main { public static void main(String[] args) { HashMap<String, String> capitalCities = new HashMap<String, String>(); capitalCities.put("England", "London"); capitalCities.put("Germany", "Berlin"); capitalCities.put("Norway", "Oslo"); capitalCities.put("USA", "Washington DC"); for (String i : capitalCities.keySet()) { System.out.println("key: " + i + " value: " + capitalCities.get(i)); } } }
key: USA value: Washington DC
key: Norway value: Oslo
key: England value: London
key: Germany value: Berlin