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import java.util.TreeMap; public class Main { public static void main(String[] args) { TreeMap<String, String> capitalCities = new TreeMap<String, String>(); capitalCities.put("England", "London"); capitalCities.put("Austria", "Wien"); capitalCities.put("Norway", "Oslo"); capitalCities.put("USA", "Washington DC"); System.out.println(capitalCities.subMap("England", "USA")); System.out.println(capitalCities.subMap("England", false, "USA", true)); } }
{England=London, Norway=Oslo}
{Norway=Oslo, USA=Washington DC}
