Java中 集合/对象按中文首字母排序

代码实现如下：

1、实体

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import lombok.Data;   @Data public class Car   {     private Integer id;       private String name;       private Integer number;       private Integer price;       private String leader;       }

 

2、测试

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import com.temporary.model.Car;   import java.text.Collator; import java.util.*; import java.util.stream.Collectors;   /**  * @author Han  * @Description  * @date 2022/8/25  */ public class Test037 {     public static void main(String[] args)     {         List<Car> cars = new ArrayList();           Car car1 = new Car();         car1.setName("雅阁");         cars.add(car1);           car1 = new Car();         car1.setName("奔驰");         cars.add(car1);           car1 = new Car();         car1.setName("奥迪");         cars.add(car1);           car1 = new Car();         car1.setName("凯美瑞");         cars.add(car1);           car1 = new Car();         car1.setName("君威");         cars.add(car1);           // 1 通过java 8 stream流进行处理         Collection<String> strings = cars.stream().map(Car::getName).sorted(Collator.getInstance(Locale.CHINA)).collect(Collectors.toList());                   //2 对集合对象排序 还是按照名称         sort(cars);     }           public static void sort(List<Car> carList)     {         // 获取中文环境         Collator comparator = Collator.getInstance(Locale.CHINA);         carList.sort((e1, e2) -> {             return comparator.compare(e1.getName(), e2.getName());         });                   carList.forEach(System.out::println);         System.out.println(carList);     } }

 

3、运行结果