Collection.sort首字母排序

public static void main(String[] args) {
 class Station {

  private String host;

  private String name;

  public String getHost() {
   return host;
  }

  public void setHost(String host) {
   this.host = host;
  }
  
  public String getName() {
   return name;
  }

  public void setName(String name) {
   this.name = name;
  }
 }

 List<Station> stationList = new ArrayList<>();
 Station s =  new Station();
 s.setName("slave");
 s.setHost("1888");
 stationList.add(s);
 Station s1 =  new Station();
 s1.setName("master");
 s1.setHost("1889");
 stationList.add(s1);
 Station s2 =  new Station();
 s2.setName("slave");
 s2.setHost("1890");
 stationList.add(s2);
 Station s3 =  new Station();
 s3.setName("master");
 s3.setHost("1891");
 stationList.add(s3);


 Collections.sort(stationList, new Comparator<Station>() {
  @Override
  public int compare(Station o1, Station o2) {
   return o1.getName().compareTo(o2.getName());
  }
 });
 for (Station station: stationList) {
  System.out.println("name="+station.getName()+";host="+station.getHost());
 }
}