try:
use Vectorpublic Vector getStudents(){
Vector[] vStudents = new Vector();
    while(rs.next()) ;
        Student oStudents = new Student();
        oStudents.setsNo(rs.getString("No")) ;
        oStudents.setsName(rs.getString("Name") ;
        oStudents.setiAge(rs.getInt("age")) ;
        vStudents.add(oStudents) ;
    }
return  vStudents ;
}