public static void main(String[] args) {    Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);        String[] arr = { "张三", "李四", "王五", "刘六" ,"周濤","戴笠","戴阿"};    String[] arr1 = {"生活","文教","政治","自然","宗教","經貿","軍事","经贸"};  //對簡體字有效，戴阿、戴笠在第一個字相同的情況下按拼音比較第二個字，很智能哦    Arrays.sort(arr, cmp);    for (int i = 0; i < arr.length; i++)  //輸出：戴阿、戴笠、李四、刘六、王五、张三、周濤        System.out.println(arr[i]);  //對繁體字無效，繁體的“軍事”被拍到了最后    Arrays.sort(arr1, cmp);    for (int i = 0; i < arr1.length; i++)        //輸出：经贸、生活、文教、政治、自然、宗教、經貿、軍事        System.out.println(arr1[i]);  }

package zhouyrt;  import java.util.ArrayList;  import java.util.Arrays;  import java.util.Comparator;  import java.util.List;  public class PinyinPaixu {       static class Person {       private String name;       private Integer salary;//薪水       private Integer age;//年齡      Person(String n, Integer s, Integer a) {         this.name = n;         this.salary = s;         this.age = a;      }      public String getName() {         return name;      }      public void setName(String name) {        this.name = name;      }      public Integer getSalary() {        return salary;      }      public void setSalary(Integer salary) {        this.salary = salary;      }      public Integer getAge() {        return age;      }      public void setAge(Integer age) {        this.age = age;      }      public String toString() {        return "姓名：" + this.name + "t薪水：" + this.salary + "t年齡：" + this.age;      }  } /*  * 按薪水排序，從低到高  */    static class SalaryComparator implements Comparator {        public int compare(Object o1, Object o2) {           Integer salary1 = ((Person)o1).salary;           Integer salary2 = ((Person)o2).salary;           if(salary1 - salary2 > 0)             return 1;          if(salary1 - salary2 < 0)             return -1;          else            return 0;        }      } /*  * 按年齡排序，從低到高  */    static class AgeComparator implements Comparator {         public int compare(Object o1, Object o2) {            Integer age1 = ((Person)o1).age;            Integer age2 = ((Person)o2).age;            if(age1 - age2 > 0)                 return 1;            if(age1 - age2 < 0)                 return -1;            else                 return 0;         }       }

public static void main(String[] args) {         List<Person> list = new ArrayList<Person>();         list.add(new Person("張洋",3400,25));         list.add(new Person("王肅",10000,27));         list.add(new Person("李安",9000,30));         list.add(new Person("劉虎",2500,22));         list.add(new Person("安德剛",3500,21));         Person[] personAry = new Person[list.size()];           personAry = list.toArray(new Person[list.size()]);             System.out.println("--- 排序前 ------------------------------------");        for(Person p : personAry) {            System.out.println(p);        }        Arrays.sort(personAry,new SalaryComparator());        System.out.println("--- 按薪水排序后 ------------------------------------");        for(Person p : personAry) {            System.out.println(p);        }        Arrays.sort(personAry,new AgeComparator());        System.out.println("--- 按年齡排序后 ------------------------------------");        for(Person p : personAry) {            System.out.println(p);        }     }  }