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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"); capitalCities.replaceAll((k, v) -> "The capital of " + k + " is " + v); System.out.println(capitalCities); } }
{USA=美国的首都华盛顿特区，Norway=挪威的首都奥斯陆，England=英国的首都伦敦，Germany=德国的首都柏林}
