nameservice.java

ktv点歌系统前台收银有开包房

package com.ktv.dao.front;
import java.util.ArrayList;
import java.util.List;
import java.util.Iterator;
public class NameService {
  private List names;
  
  private NameService(List list_of_names){
    this.names=list_of_names;
  }
  public static NameService getInstance(List list_of_names){
    return new NameService(list_of_names);

  }
  public List findNames(String prefix){
//    String prefix_upper=prefix.toLowerCase();
    List matches=new ArrayList();
//    System.out.println("names:"+names.size());
    Iterator iter=names.iterator();
    while(iter.hasNext()){
      String name=(String)iter.next();
      String name_lower_case=name.toLowerCase();
      
      if(name_lower_case.startsWith(prefix.toLowerCase())){
        boolean result=matches.add(name);

      }
    }
    return matches;

  }
}