import java.util.TreeMap;/*** @author silence* TreeMap实现对中文的排序* TreeMap会根据键排序，String实现了Comparable接口实现了排序规则* 可以不用自己定义排序比较器*/
public class Demo2 {public static void main(String[] args) {TreeMap<String, String> map = new TreeMap<>();map.put("hangzhou", "杭州");map.put("aerlijiya", "阿尔及利亚");map.put("milu", "秘鲁");map.put("chougoushi", "臭狗屎");map.put("zhejiang", "浙江");map.put("agenting", "阿根廷");map.put("aierlan", "爱尔兰");map.put("babaduosi", "巴巴多斯");map.put("bbyxjny", "巴布亚新几内亚");map.put("bahamaguo", "巴哈马国");map.put("bindao", "冰岛");map.put("daomuzei", "盗墓贼");map.put("bulan", "波兰");map.put("budan", "不丹");map.forEach((s1, s2) -> System.out.println(s2));System.out.println("--------------------------------");map.forEach((s1, s2) -> System.out.println(s1 + "----" + s2));}
}