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import java.util.HashMap; public class Main { public static void main(String[] args) { HashMap
capitalCities = new HashMap
(); System.out.println(capitalCities.isEmpty()); capitalCities.put("England", "London"); capitalCities.put("Germany", "Berlin"); capitalCities.put("Norway", "Oslo"); capitalCities.put("USA", "Washington DC"); System.out.println(capitalCities.isEmpty()); } }
true
false